diff --git a/.gitignore b/.gitignore
index 9cbb2e872..d161df99e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -442,3 +442,10 @@ miktex*.zip
 
 # Files from local Dask work
 dask-worker-space/
+
+# credentials and key material
+*.env
+*.pem
+*.pub
+*.rdp
+*_rsa