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)
     }
 }