diff --git a/.gitignore b/.gitignore
index ca4bddfe6..2757f1f61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@ depcomp
 missing
 taler_config.h.in
 install-sh
+config.cache
 config.log
 config.status
 stamp-h1