diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2956bc..93a7408 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -285,7 +285,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.3.3]
+        scala: [3.4.1]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -313,7 +313,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.3.3]
+        scala: [3.4.1]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index 3ef3bf1..bd9c561 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ import org.typelevel.sbt.gha.Permissions
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
-ThisBuild / scalaVersion := "3.3.3"
+ThisBuild / scalaVersion := "3.4.1"
 ThisBuild / organization := "io.github.scala-jwt"
 ThisBuild / organizationName := "oath"
 ThisBuild / organizationHomepage := Some(url("https://github.com/scala-jwt/oath"))