diff --git a/.gitignore b/.gitignore
index 0c79893369..da05b2bcf0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@
 .coverage
 \#*
 .#*
+.cache
 lib/spack/spack/test/.cache
 /bin/spackc
 *.in.log