diff --git a/Makefile b/Makefile
index 580b94b..74101c7 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ on_tag:
 purge:
 	rm -rf /var/cache/omnibus/src/gitlab-rails
 	rm -rf /var/cache/omnibus/pkg
+	rm -rf /var/cache/omnibus/cache/cacert.pem
 	mkdir -p pkg
 	(cd pkg && find . -delete)
 
--
libgit2 0.21.2