diff --git a/.gitignore b/.gitignore
index 1e15ce5fc1..d7c06df293 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ lib*dll.def
 
 # Local excludes in root directory
 /GNUmakefile
+/config.cache
 /config.log
 /config.status
 /pgsql.sln