diff --git a/package-list.yaml b/package-list.yaml
index b0a85db..4abf054 100644
--- a/package-list.yaml
+++ b/package-list.yaml
@@ -18,10 +18,8 @@ configurations:
     gradle-version: "8.2.1"
 
   - kotlin-version: "1.8.0"
-    gradle-version: "7.0"
 
   - kotlin-version: "1.7.20"
-    gradle-version: "8.2.1"
     packages:
       org.slf4j:slf4j-api: "2.0.7"
 
@@ -30,7 +28,6 @@ configurations:
   #
   # Most packages should be placed here.
   - kotlin-version: "1.8.20"
-    gradle-version: "8.2.1"
     plugins:
       org.panteleyev.jpackageplugin: "1.5.2"
     packages:
diff --git a/sync/resolve-deps.sh b/sync/resolve-deps.sh
index c71939b..95dcb9e 100755
--- a/sync/resolve-deps.sh
+++ b/sync/resolve-deps.sh
@@ -50,7 +50,7 @@ if [ $? -lt 30 ]; then
     version=$(basename "${path}")
     gradle_path=${GRADLE_VERSIONS_DIR}/gradle-${version}
 
-    if [[ "${version}" -eq "${GRADLE_VERSION}" ]]; then
+    if [[ "${version}" == "${GRADLE_VERSION}" ]] || [[ "${version}" == "default" ]]; then
       gradle_path=${GRADLE_HOME}
     elif [[ ! -d "${gradle_path}" ]]; then
       echo "Downloading gradle ${version}"
diff --git a/sync/src/config.py b/sync/src/config.py
index 16412d2..1661abc 100644
--- a/sync/src/config.py
+++ b/sync/src/config.py
@@ -12,7 +12,7 @@ logger = logging.getLogger(__name__)
 class Configuration:
     name: str
     kotlin_version: str
-    gradle_version: str
+    gradle_version: Optional[str]
     plugins: dict[str, str]
     packages: list[str]
 
@@ -89,8 +89,7 @@ def parse_config(path: Path) -> Optional[Config]:
             if (kotlin_version := section.get('kotlin-version')) is None:
                 error.append(f"Configuration {i} is missing 'kotlin-version'")
 
-            if (gradle_version := section.get('gradle-version')) is None:
-                error.append(f"Configuration {i} is missing 'gradle-version'")
+            gradle_version = section.get('gradle-version')
 
             plugins = handle_plugins(section.get('plugins', {}))
             packages = handle_packages(section.get('packages', {}))
diff --git a/sync/src/main.py b/sync/src/main.py
index 3ff122e..170a5bf 100644
--- a/sync/src/main.py
+++ b/sync/src/main.py
@@ -17,7 +17,8 @@ async def resolve_kotlin(ident: str, configuration: Configuration, output_dir: P
         for resolved in await get_effective_packages(package, mirrors)
     ]
 
-    path = output_dir / f"{configuration.gradle_version}/{ident}-kotlin-{configuration.kotlin_version}"
+    gradle_path = configuration.gradle_version or "default"
+    path = output_dir / f"{gradle_path}/{ident}-kotlin-{configuration.kotlin_version}"
     path.mkdir(parents=True)
     logger.debug(f'Creating {path}')