diff --git a/build.sbt b/build.sbt
index f8d3562..ba8d7a1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-lazy val scala212 = "2.12.20"
+lazy val scala212 = "2.12.18"
 lazy val scala3 = "3.6.4"
 ThisBuild / scalaVersion := scala212
 ThisBuild / crossScalaVersions := Seq(scala212, scala3)