diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6684463..8df9391 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Check formatting
-      if: matrix.scala == '3.1.3'
+      if: matrix.scala == '3.3.4'
       run: sbt ++${{ matrix.scala }} scalafmtCheckAll
     # - name: Check bincompat
     #   run: sbt ++${{ matrix.scala }} coreJVM/mimaReportBinaryIssues
diff --git a/build.sbt b/build.sbt
index ce8bcf5..1d69d92 100644
--- a/build.sbt
+++ b/build.sbt
@@ -28,7 +28,7 @@ lazy val docs = project
 
 lazy val commonSettings = Seq(
   scalacOptions ++= Seq("-new-syntax"),
-  scalaVersion := "3.1.3",
+  scalaVersion := "3.3.4",
   libraryDependencies ++= Seq(
     "org.scodec"    %%% "scodec-core"      % "2.2.0",
     "org.scodec"    %%% "scodec-bits"      % "1.1.34",