diff --git a/build.sbt b/build.sbt
index 977eddf..d69c2f1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ import scalapb.compiler.Version.scalapbVersion
 
 val Scala213 = "2.13.14"
 
-val Scala212 = "2.12.19"
+val Scala212 = "2.12.20"
 
 val Scala3 = "3.4.3"