diff --git a/pr_agent/git_providers/gitlab_provider.py b/pr_agent/git_providers/gitlab_provider.py
index e1e65b10..9ee1c0bf 100644
--- a/pr_agent/git_providers/gitlab_provider.py
+++ b/pr_agent/git_providers/gitlab_provider.py
@@ -37,7 +37,7 @@ class GitLabProvider(GitProvider):
         self.incremental = incremental
 
     def is_supported(self, capability: str) -> bool:
-        if capability in ['get_issue_comments', 'create_inline_comment', 'publish_inline_comments', 'get_labels']:
+        if capability in ['get_issue_comments', 'create_inline_comment', 'publish_inline_comments']:
             return False
         return True
 
@@ -260,11 +260,15 @@ class GitLabProvider(GitProvider):
     def get_user_id(self):
         return None
 
-    def publish_labels(self, labels):
-        pass
+    def publish_labels(self, pr_types):
+        try:
+            self.mr.labels = list(set(pr_types))
+            self.mr.save()
+        except Exception as e:
+            logging.exception(f"Failed to publish labels, error: {e}")
 
     def publish_inline_comments(self, comments: list[dict]):
         pass
 
     def get_labels(self):
-        pass
+        return self.mr.labels
diff --git a/pr_agent/tools/pr_description.py b/pr_agent/tools/pr_description.py
index 7a9bfb88..400cdd86 100644
--- a/pr_agent/tools/pr_description.py
+++ b/pr_agent/tools/pr_description.py
@@ -48,6 +48,8 @@ class PRDescription:
                 self.git_provider.publish_description(pr_title, pr_body)
                 if self.git_provider.is_supported("get_labels"):
                     current_labels = self.git_provider.get_labels()
+                    if current_labels is None:
+                        current_labels = []
                     self.git_provider.publish_labels(pr_types + current_labels)
             self.git_provider.remove_initial_comment()
         return ""