diff --git a/build.sbt b/build.sbt
index 86ca3bfd..74c7e43b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -49,7 +49,7 @@ lazy val core =
       ) ++ (if (scalaVersion.value.startsWith("2.")) {
               Seq(
                 "org.scala-lang"          % "scala-reflect"           % scalaVersion.value,
-                "org.scala-lang.modules" %% "scala-collection-compat" % "2.6.0"
+                "org.scala-lang.modules" %% "scala-collection-compat" % "2.12.0"
               )
             } else Nil),
       coverageMinimum       := 60,