diff --git a/package-list.yaml b/package-list.yaml
index f95c5c2..21c14d7 100644
--- a/package-list.yaml
+++ b/package-list.yaml
@@ -1,10 +1,12 @@
 maven:
-  mirrors:
+  package-mirrors:
     - "https://repo.maven.apache.org/maven2"
     - "https://repo1.maven.org/maven2"
     - "https://oss.sonatype.org/content/repositories/snapshots"
     - "https://packages.confluent.io/maven"
     - "https://registry.quarkus.io/maven"
+
+  plugin-mirrors:
     - "https://plugins.gradle.org/m2"
 
 configurations:
diff --git a/sync/src/config/__init__.py b/sync/src/config/__init__.py
index a4d47ba..f24bdab 100644
--- a/sync/src/config/__init__.py
+++ b/sync/src/config/__init__.py
@@ -1,3 +1,3 @@
 from .packages import Package
 from .plugins import Plugin
-from .parse import Configuration, Config, parse_config
+from .parse import Configuration, Config, MavenMirrors, parse_config
diff --git a/sync/src/config/parse.py b/sync/src/config/parse.py
index 5174f0d..7c06f13 100644
--- a/sync/src/config/parse.py
+++ b/sync/src/config/parse.py
@@ -19,10 +19,16 @@ class Configuration:
     packages: list[Package]
 
 
+@dataclass
+class MavenMirrors:
+    package_mirrors: list[str]
+    plugin_mirrors: list[str]
+
+
 @dataclass
 class Config:
     configurations: list[Configuration]
-    mirrors: list[str]
+    mirrors: MavenMirrors
 
 
 def parse_config(path: Path) -> Optional[Config]:
@@ -69,5 +75,8 @@ def parse_config(path: Path) -> Optional[Config]:
                     Configuration(kotlin, gradle, plugins, packages)
                     for (kotlin, gradle), (plugins, packages) in configurations.items()
                 ],
-                data.get('maven', {}).get('mirrors', []),
+                MavenMirrors(
+                    data.get('maven', {}).get('package-mirrors', []),
+                    data.get('maven', {}).get('plugin-mirrors', []),
+                ),
             )
diff --git a/sync/src/main.py b/sync/src/main.py
index f75394b..f240e1f 100644
--- a/sync/src/main.py
+++ b/sync/src/main.py
@@ -4,7 +4,7 @@ import dataclasses
 import logging
 from pathlib import Path
 
-from config import parse_config, Configuration
+from config import parse_config, Configuration, MavenMirrors
 from gradle import create_gradle
 from maven import get_effective_packages
 from maven.plugins import get_effective_plugins
@@ -12,7 +12,7 @@ from maven.plugins import get_effective_plugins
 logger = logging.getLogger(__name__)
 
 
-async def resolve_kotlin(configuration: Configuration, mirrors: list[str]):
+async def resolve_kotlin(configuration: Configuration, mirrors: MavenMirrors):
     packages = [
         resolved
         for package in configuration.packages
@@ -35,8 +35,10 @@ async def main(package_list: Path, output_dir: Path, gradle_repo: str) -> None:
         print('Error in configuration')
     elif not config.configurations:
         print('No configurations defined, nothing to do.')
-    elif not config.mirrors:
-        print('No mirrors defined. Add maven.mirrors in the config file.')
+    elif not config.mirrors.package_mirrors and [p for c in config.configurations for p in c.packages]:
+        print('No package mirrors defined. Add maven.package-mirrors in the config file.')
+    elif not config.mirrors.plugin_mirrors and [p for c in config.configurations for p in c.plugins]:
+        print('No plugin mirrors defined. Add maven.plugin-mirrors in the config file.')
     else:
         for i, configuration in enumerate(config.configurations):
             logger.info(f'Resolving configuration kotlin={configuration.kotlin_version}, gradle={configuration.gradle_version}')
diff --git a/sync/src/maven/packages.py b/sync/src/maven/packages.py
index 46f13db..c19eec9 100644
--- a/sync/src/maven/packages.py
+++ b/sync/src/maven/packages.py
@@ -2,7 +2,7 @@ import dataclasses
 import logging
 from typing import Optional, Iterable
 
-from config import Package
+from config import Package, MavenMirrors
 from maven.fetch import fetch_pom
 from maven.version import resolve_version
 from pom import PropertyMissing, Properties
@@ -10,7 +10,7 @@ from pom import PropertyMissing, Properties
 logger = logging.getLogger(__name__)
 
 
-async def get_effective_packages(package: Package, mirrors: Iterable[str]) -> list[Package]:
+async def get_effective_packages(package: Package, mirrors: MavenMirrors) -> list[Package]:
     """
     Get a list of packages that is required for Gradle to fetch this package.
 
@@ -25,13 +25,13 @@ async def get_effective_packages(package: Package, mirrors: Iterable[str]) -> li
     """
     versions = [
         dataclasses.replace(package, version=version)
-        for version in await resolve_version(package, mirrors)
+        for version in await resolve_version(package, mirrors.package_mirrors)
     ]
 
     deps = [
         dep
         for v in versions
-        for dep in await get_dependencies(v, mirrors)
+        for dep in await get_dependencies(v, mirrors.package_mirrors)
     ]
 
     return versions + deps
diff --git a/sync/src/maven/plugins.py b/sync/src/maven/plugins.py
index af0fb4a..41069b1 100644
--- a/sync/src/maven/plugins.py
+++ b/sync/src/maven/plugins.py
@@ -1,15 +1,14 @@
 import dataclasses
-from typing import Iterable
 
-from config import Plugin
+from config import Plugin, MavenMirrors
 from maven.version import resolve_version
 
 
-async def get_effective_plugins(plugin: Plugin, mirrors: Iterable[str]) -> list[Plugin]:
+async def get_effective_plugins(plugin: Plugin, mirrors: MavenMirrors) -> list[Plugin]:
     if plugin.version:
         return [
             dataclasses.replace(plugin, version=version)
-            for version in await resolve_version(plugin.package, mirrors)
+            for version in await resolve_version(plugin.package, mirrors.plugin_mirrors)
         ]
     else:
         return [plugin]