diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 97dbeeb..76ac9aa 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -8,15 +8,15 @@ jobs:
     name: "Checkstyle Main"
     runs-on: "vps-4"
     container:
-      image: "cimg/openjdk:22.0-node"
+      image: "cimg/openjdk:23.0-node"
     steps:
       - name: "Checkout"
         uses: actions/checkout@v3
-      - name: Setup Java 22
+      - name: Setup Java 23
         uses: actions/setup-java@v3
         with:
           distribution: "temurin"
-          java-version: "22"
+          java-version: "23"
       - name: "Cache Gradle dependencies"
         uses: actions/cache@v3
         with:
diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 76efd27..a2060f7 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -24,7 +24,7 @@ version = "0.0.1-SNAPSHOT"
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(22)
+        languageVersion = JavaLanguageVersion.of(23)
     }
 }