diff --git a/build.sbt b/build.sbt
index c54a6f2..01ad326 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import java.util.regex.Pattern
 import sbt.Keys.scalacOptions
 
-lazy val scala2_12 = "2.12.18"
+lazy val scala2_12 = "2.12.20"
 lazy val scala2_13 = "2.13.12"
 lazy val scala3 = "3.3.1"