diff --git a/images/ubuntu/scripts/build/install-kotlin.sh b/images/ubuntu/scripts/build/install-kotlin.sh
index 80edb8a3..7b35212d 100644
--- a/images/ubuntu/scripts/build/install-kotlin.sh
+++ b/images/ubuntu/scripts/build/install-kotlin.sh
@@ -13,7 +13,8 @@ download_url=$(resolve_github_release_asset_url "JetBrains/kotlin" "contains(\"k
 archive_path=$(download_with_retry "$download_url")
 
 # Supply chain security - Kotlin
-kotlin_hash=$(get_checksum_from_github_release "JetBrains/kotlin" "kotlin-compiler-.*\.zip" "latest" "SHA256")
+kotlin_hash_file=$(download_with_retry "${download_url}.sha256")
+kotlin_hash=$(cat "$kotlin_hash_file")
 use_checksum_comparison "$archive_path" "$kotlin_hash"
 
 unzip -qq "$archive_path" -d $KOTLIN_ROOT