diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 10a53bc3..cd3da797 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        scala: [ 2.13.12 ]
+        scala: [ 2.13.13 ]
         jvm: [ 8, 11, 20, 21 ]
     steps:
       - name: Checkout
diff --git a/build.sbt b/build.sbt
index d612ac7f..77b4b29f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,8 +2,8 @@
 
 lazy val commonSettings = Seq(
   organization := "edu.berkeley.cs",
-  scalaVersion := "2.13.12",
-  crossScalaVersions := Seq("2.13.12")
+  scalaVersion := "2.13.13",
+  crossScalaVersions := Seq("2.13.13")
 )
 
 val chiselVersion = "6.0.0"