diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..730f7cc
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+mok-keys/MOK.key filter=git-crypt diff=git-crypt
+mok-keys/MOK.crt filter=git-crypt diff=git-crypt
+mok-keys/MOK.der filter=git-crypt diff=git-crypt