diff --git a/build.sbt b/build.sbt
index dc2880c..82433be 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import sbtrelease.ReleasePlugin.autoImport.ReleaseTransformations._
 
 val Scala2_13 = "2.13.10"
-val Scala2_12 = "2.12.17"
+val Scala2_12 = "2.12.20"
 
 val supportedScalaVersions = List(Scala2_13, Scala2_12)