diff --git a/LICENSE.txt b/LICENSE.txt
index 0094dc5..1a5872b 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/pom.xml b/pom.xml
index 17ab0f6..ab34023 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/Entrance.java b/src/main/java/com/threecopies/Entrance.java
index bd6160d..128f05d 100644
--- a/src/main/java/com/threecopies/Entrance.java
+++ b/src/main/java/com/threecopies/Entrance.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/Base.java b/src/main/java/com/threecopies/base/Base.java
index 82cf53c..ac1c950 100644
--- a/src/main/java/com/threecopies/base/Base.java
+++ b/src/main/java/com/threecopies/base/Base.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/DyBase.java b/src/main/java/com/threecopies/base/DyBase.java
index d1eb04e..109e0c5 100644
--- a/src/main/java/com/threecopies/base/DyBase.java
+++ b/src/main/java/com/threecopies/base/DyBase.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/DyScript.java b/src/main/java/com/threecopies/base/DyScript.java
index e73d667..06236d0 100644
--- a/src/main/java/com/threecopies/base/DyScript.java
+++ b/src/main/java/com/threecopies/base/DyScript.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/DyUser.java b/src/main/java/com/threecopies/base/DyUser.java
index 14b84dc..d69ab3a 100644
--- a/src/main/java/com/threecopies/base/DyUser.java
+++ b/src/main/java/com/threecopies/base/DyUser.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/Dynamo.java b/src/main/java/com/threecopies/base/Dynamo.java
index 5badc1f..cf5f209 100644
--- a/src/main/java/com/threecopies/base/Dynamo.java
+++ b/src/main/java/com/threecopies/base/Dynamo.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/FkBase.java b/src/main/java/com/threecopies/base/FkBase.java
index 7bc6747..6cc2f95 100644
--- a/src/main/java/com/threecopies/base/FkBase.java
+++ b/src/main/java/com/threecopies/base/FkBase.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/FkScript.java b/src/main/java/com/threecopies/base/FkScript.java
index c1da9a0..9e652f6 100644
--- a/src/main/java/com/threecopies/base/FkScript.java
+++ b/src/main/java/com/threecopies/base/FkScript.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/FkUser.java b/src/main/java/com/threecopies/base/FkUser.java
index e1bf1b0..b8cf5b2 100644
--- a/src/main/java/com/threecopies/base/FkUser.java
+++ b/src/main/java/com/threecopies/base/FkUser.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/Script.java b/src/main/java/com/threecopies/base/Script.java
index 7f1cb85..ec685b1 100644
--- a/src/main/java/com/threecopies/base/Script.java
+++ b/src/main/java/com/threecopies/base/Script.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/User.java b/src/main/java/com/threecopies/base/User.java
index 54c7ba7..7436acd 100644
--- a/src/main/java/com/threecopies/base/User.java
+++ b/src/main/java/com/threecopies/base/User.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/base/package-info.java b/src/main/java/com/threecopies/base/package-info.java
index 7c79134..d9cfc6f 100644
--- a/src/main/java/com/threecopies/base/package-info.java
+++ b/src/main/java/com/threecopies/base/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/package-info.java b/src/main/java/com/threecopies/package-info.java
index a13d207..367235c 100644
--- a/src/main/java/com/threecopies/package-info.java
+++ b/src/main/java/com/threecopies/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/routine/Routine.java b/src/main/java/com/threecopies/routine/Routine.java
index 688e6b6..0eec40f 100644
--- a/src/main/java/com/threecopies/routine/Routine.java
+++ b/src/main/java/com/threecopies/routine/Routine.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/routine/package-info.java b/src/main/java/com/threecopies/routine/package-info.java
index 63aeccc..95a9a63 100644
--- a/src/main/java/com/threecopies/routine/package-info.java
+++ b/src/main/java/com/threecopies/routine/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/RqUser.java b/src/main/java/com/threecopies/tk/RqUser.java
index 7892552..e65a777 100644
--- a/src/main/java/com/threecopies/tk/RqUser.java
+++ b/src/main/java/com/threecopies/tk/RqUser.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/RsPage.java b/src/main/java/com/threecopies/tk/RsPage.java
index c3c0700..03f4266 100644
--- a/src/main/java/com/threecopies/tk/RsPage.java
+++ b/src/main/java/com/threecopies/tk/RsPage.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkApp.java b/src/main/java/com/threecopies/tk/TkApp.java
index 72a13f1..f8528b5 100644
--- a/src/main/java/com/threecopies/tk/TkApp.java
+++ b/src/main/java/com/threecopies/tk/TkApp.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkDelete.java b/src/main/java/com/threecopies/tk/TkDelete.java
index 344f2f4..d5b3a53 100644
--- a/src/main/java/com/threecopies/tk/TkDelete.java
+++ b/src/main/java/com/threecopies/tk/TkDelete.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkDeleteLog.java b/src/main/java/com/threecopies/tk/TkDeleteLog.java
index 7a33261..8adde04 100644
--- a/src/main/java/com/threecopies/tk/TkDeleteLog.java
+++ b/src/main/java/com/threecopies/tk/TkDeleteLog.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkFlush.java b/src/main/java/com/threecopies/tk/TkFlush.java
index a882dcd..61725bd 100644
--- a/src/main/java/com/threecopies/tk/TkFlush.java
+++ b/src/main/java/com/threecopies/tk/TkFlush.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkIndex.java b/src/main/java/com/threecopies/tk/TkIndex.java
index 5855d57..f8d7e4d 100644
--- a/src/main/java/com/threecopies/tk/TkIndex.java
+++ b/src/main/java/com/threecopies/tk/TkIndex.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkLog.java b/src/main/java/com/threecopies/tk/TkLog.java
index e52db1d..42e3d0d 100644
--- a/src/main/java/com/threecopies/tk/TkLog.java
+++ b/src/main/java/com/threecopies/tk/TkLog.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkLogLink.java b/src/main/java/com/threecopies/tk/TkLogLink.java
index 0193673..3db2968 100644
--- a/src/main/java/com/threecopies/tk/TkLogLink.java
+++ b/src/main/java/com/threecopies/tk/TkLogLink.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkLogs.java b/src/main/java/com/threecopies/tk/TkLogs.java
index 50d21d8..e361ed4 100644
--- a/src/main/java/com/threecopies/tk/TkLogs.java
+++ b/src/main/java/com/threecopies/tk/TkLogs.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkPay.java b/src/main/java/com/threecopies/tk/TkPay.java
index 37eb944..b583caf 100644
--- a/src/main/java/com/threecopies/tk/TkPay.java
+++ b/src/main/java/com/threecopies/tk/TkPay.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkSave.java b/src/main/java/com/threecopies/tk/TkSave.java
index a7f530e..62f1187 100644
--- a/src/main/java/com/threecopies/tk/TkSave.java
+++ b/src/main/java/com/threecopies/tk/TkSave.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkScript.java b/src/main/java/com/threecopies/tk/TkScript.java
index b742d71..de4268b 100644
--- a/src/main/java/com/threecopies/tk/TkScript.java
+++ b/src/main/java/com/threecopies/tk/TkScript.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/TkScripts.java b/src/main/java/com/threecopies/tk/TkScripts.java
index 153d4c5..dd69ff8 100644
--- a/src/main/java/com/threecopies/tk/TkScripts.java
+++ b/src/main/java/com/threecopies/tk/TkScripts.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/java/com/threecopies/tk/package-info.java b/src/main/java/com/threecopies/tk/package-info.java
index 9486c3e..ce5cca0 100644
--- a/src/main/java/com/threecopies/tk/package-info.java
+++ b/src/main/java/com/threecopies/tk/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index c39bdf7..08d1241 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -1,6 +1,6 @@
 # The MIT License (MIT)
 #
-# Copyright (c) 2017-2020 Yegor Bugayenko
+# Copyright (c) 2017-2023 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge,  to any person obtaining
 # a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/scss/main.scss b/src/main/scss/main.scss
index 38f9efb..daed039 100644
--- a/src/main/scss/main.scss
+++ b/src/main/scss/main.scss
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 //
-// Copyright (c) 2017-2020 Yegor Bugayenko
+// Copyright (c) 2017-2023 Yegor Bugayenko
 //
 // Permission is hereby granted, free of charge,  to any person obtaining
 // a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/index.xsl b/src/main/xsl/index.xsl
index c37a505..ddacbda 100644
--- a/src/main/xsl/index.xsl
+++ b/src/main/xsl/index.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/layout.xsl b/src/main/xsl/layout.xsl
index a4bb244..a36c79d 100644
--- a/src/main/xsl/layout.xsl
+++ b/src/main/xsl/layout.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/logs.xsl b/src/main/xsl/logs.xsl
index 9a83caa..b21fa7e 100644
--- a/src/main/xsl/logs.xsl
+++ b/src/main/xsl/logs.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/script.xsl b/src/main/xsl/script.xsl
index fe9c169..6e3f13c 100644
--- a/src/main/xsl/script.xsl
+++ b/src/main/xsl/script.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/scripts.xsl b/src/main/xsl/scripts.xsl
index fd76056..58b311f 100644
--- a/src/main/xsl/scripts.xsl
+++ b/src/main/xsl/scripts.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/main/xsl/templates.xsl b/src/main/xsl/templates.xsl
index c14d690..e630d7d 100644
--- a/src/main/xsl/templates.xsl
+++ b/src/main/xsl/templates.xsl
@@ -2,7 +2,7 @@
 <!--
 The MIT License (MIT)
 
-Copyright (c) 2017-2020 Yegor Bugayenko
+Copyright (c) 2017-2023 Yegor Bugayenko
 
 Permission is hereby granted, free of charge,  to any person obtaining
 a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/base/DyScriptITCase.java b/src/test/java/com/threecopies/base/DyScriptITCase.java
index c9d0ed0..bef57bd 100644
--- a/src/test/java/com/threecopies/base/DyScriptITCase.java
+++ b/src/test/java/com/threecopies/base/DyScriptITCase.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/base/package-info.java b/src/test/java/com/threecopies/base/package-info.java
index 87c8e2e..39ee124 100644
--- a/src/test/java/com/threecopies/base/package-info.java
+++ b/src/test/java/com/threecopies/base/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/routine/RoutineITCase.java b/src/test/java/com/threecopies/routine/RoutineITCase.java
index a566b6c..4191bba 100644
--- a/src/test/java/com/threecopies/routine/RoutineITCase.java
+++ b/src/test/java/com/threecopies/routine/RoutineITCase.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/routine/package-info.java b/src/test/java/com/threecopies/routine/package-info.java
index 3715b47..6b23fcc 100644
--- a/src/test/java/com/threecopies/routine/package-info.java
+++ b/src/test/java/com/threecopies/routine/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/tk/TkAppTest.java b/src/test/java/com/threecopies/tk/TkAppTest.java
index bf673ac..e80802d 100644
--- a/src/test/java/com/threecopies/tk/TkAppTest.java
+++ b/src/test/java/com/threecopies/tk/TkAppTest.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/java/com/threecopies/tk/package-info.java b/src/test/java/com/threecopies/tk/package-info.java
index a344ea7..9675910 100644
--- a/src/test/java/com/threecopies/tk/package-info.java
+++ b/src/test/java/com/threecopies/tk/package-info.java
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2017-2020 Yegor Bugayenko
+ * Copyright (c) 2017-2023 Yegor Bugayenko
  *
  * Permission is hereby granted, free of charge,  to any person obtaining
  * a copy  of  this  software  and  associated  documentation files  (the
diff --git a/src/test/resources/log4j.properties b/src/test/resources/log4j.properties
index dc97540..0e6b8ed 100644
--- a/src/test/resources/log4j.properties
+++ b/src/test/resources/log4j.properties
@@ -1,6 +1,6 @@
 # The MIT License (MIT)
 #
-# Copyright (c) 2017-2020 Yegor Bugayenko
+# Copyright (c) 2017-2023 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge,  to any person obtaining
 # a copy  of  this  software  and  associated  documentation files  (the