diff --git a/src/action.js b/src/action.js
index 5c09b8b5..c96c2ee7 100644
--- a/src/action.js
+++ b/src/action.js
@@ -21,6 +21,7 @@ const LANG_TO_EXTENSION = {
   'python': 'py',
   'python3': 'py',
   'pythondata': 'py',
+  'postgresql': 'sql',
   'racket': 'rkt',
   'ruby': 'rb',
   'rust': 'rs',