diff --git a/blog/Gemfile.lock b/blog/Gemfile.lock
index b6d8d17..e8d0905 100644
--- a/blog/Gemfile.lock
+++ b/blog/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     airrecord (1.0.2)
       faraday (~> 0.10)
       net-http-persistent (>= 2.9)
@@ -117,7 +117,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -129,7 +131,7 @@ GEM
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     popper_js (1.14.5)
-    public_suffix (3.1.1)
+    public_suffix (4.0.7)
     puma (3.12.1)
     rack (2.0.7)
     rack-test (1.1.0)