diff --git a/vvp/.cvsignore b/vvp/.cvsignore
index 39e34b774..773f68c28 100644
--- a/vvp/.cvsignore
+++ b/vvp/.cvsignore
@@ -1,4 +1,5 @@
 configure
+config.cache
 config.log
 config.status
 config.h