diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e9679f0..2197dca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: '22'
+          java-version: '23'
       - uses: gradle/actions/setup-gradle@v4
       - name: Assemble
         run: ./gradlew assemble
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: '22'
+          java-version: '23'
       - uses: gradle/actions/setup-gradle@v4
       - name: Check
         run: ./gradlew check && ./gradlew -p build-logic detekt
@@ -59,7 +59,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: '22'
+          java-version: '23'
       - uses: gradle/actions/setup-gradle@v4
       - name: Publish snapshot
         run: ./gradlew publishToMavenCentral
diff --git a/.github/workflows/deploy-website.yml b/.github/workflows/deploy-website.yml
index c1aad7d..b393fa0 100644
--- a/.github/workflows/deploy-website.yml
+++ b/.github/workflows/deploy-website.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: '22'
+          java-version: '23'
       - uses: gradle/actions/setup-gradle@v4
       - uses: actions/setup-python@v4
         with:
diff --git a/build-logic/build.gradle.kts b/build-logic/build.gradle.kts
index fdbc4f4..af1a3b0 100644
--- a/build-logic/build.gradle.kts
+++ b/build-logic/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
 
 kotlin {
     jvmToolchain {
-        languageVersion.set(JavaLanguageVersion.of(22))
+        languageVersion.set(JavaLanguageVersion.of(23))
         vendor.set(JvmVendorSpec.AZUL)
     }
 }
diff --git a/build-logic/src/main/kotlin/io/github/reactivecircus/cache4k/buildlogic/convention/ConventionPlugin.kt b/build-logic/src/main/kotlin/io/github/reactivecircus/cache4k/buildlogic/convention/ConventionPlugin.kt
index e25580e..5207813 100644
--- a/build-logic/src/main/kotlin/io/github/reactivecircus/cache4k/buildlogic/convention/ConventionPlugin.kt
+++ b/build-logic/src/main/kotlin/io/github/reactivecircus/cache4k/buildlogic/convention/ConventionPlugin.kt
@@ -124,7 +124,7 @@ private fun KotlinMultiplatformExtension.configureTargets(project: Project) {
         }
     }
     jvmToolchain {
-        languageVersion.set(JavaLanguageVersion.of(22))
+        languageVersion.set(JavaLanguageVersion.of(23))
         vendor.set(JvmVendorSpec.AZUL)
     }
     project.tasks.withType<KotlinJvmCompile>().configureEach {
diff --git a/gradle/gradle-daemon-jvm.properties b/gradle/gradle-daemon-jvm.properties
index ef4314f..cb5c20f 100644
--- a/gradle/gradle-daemon-jvm.properties
+++ b/gradle/gradle-daemon-jvm.properties
@@ -1,2 +1,2 @@
 #This file is generated by updateDaemonJvm
-toolchainVersion=22
+toolchainVersion=23