diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 691c62c8..2a766fd6 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -2212,6 +2212,7 @@ PLSQL:
   - .pks
   - .plb
   - .sql
+  - .plsql
 
 #Postgres 
 PLpgSQL: