diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 01fcd2f7e..edf9f472d 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -2,7 +2,7 @@ object Dependencies {
 
   object versions {
 
-    val scala2_12 = "2.12.20"
+    val scala2_12 = "2.12.21"
     val scala2_13 = "2.13.16"
     val scala3    = "3.3.6"