diff --git a/.gitignore b/.gitignore
index 681af08c5c..715f817954 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@ lib*.pc
 
 # Local excludes in root directory
 /GNUmakefile
+/config.cache
 /config.log
 /config.status
 /pgsql.sln