diff --git a/buildSrc/src/main/kotlin/codegpt.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/codegpt.java-conventions.gradle.kts
index 8cea0dc2..944a1955 100644
--- a/buildSrc/src/main/kotlin/codegpt.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/codegpt.java-conventions.gradle.kts
@@ -1,3 +1,4 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 val libs = versionCatalogs.named("libs")
@@ -51,7 +52,7 @@ tasks {
       targetCompatibility = it
     }
     withType<KotlinCompile> {
-      kotlinOptions.jvmTarget = it
+      compilerOptions.jvmTarget.set(JvmTarget.fromTarget(it))
     }
   }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e2b46ed4..7d57b62e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ jackson = "2.17.1"
 jsoup = "1.17.2"
 jtokkit = "1.0.0"
 junit = "5.10.2"
-kotlin = "1.9.24"
+kotlin = "2.0.0"
 llm-client = "0.8.5"
 okio = "3.9.0"
 tree-sitter = "0.22.5"