diff --git a/eng/mgmt/automation/generate_data.py b/eng/mgmt/automation/generate_data.py
index 891378f868a73..b23f8878b85a5 100755
--- a/eng/mgmt/automation/generate_data.py
+++ b/eng/mgmt/automation/generate_data.py
@@ -32,8 +32,8 @@ def sdk_automation_typespec(config: dict) -> List[dict]:
     if 'relatedTypeSpecProjectFolder' not in config:
         return packages
 
-    head_sha = config['headSha']
-    repo_url = config['repoHttpsUrl']
+    head_sha: str = config['headSha']
+    repo_url: str = config['repoHttpsUrl']
 
     tsp_projects = config['relatedTypeSpecProjectFolder']
     if isinstance(tsp_projects, str):