diff --git a/.gitignore b/.gitignore
index f6b98da22d..3a5797885d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,9 @@ target/
 # Python tmp files
 __pycache__
 
+# GitHub issue mirror
+.prism/
+
 # Maturin builds, and other native editable builds
 *.so
 *.pyd
diff --git a/.prettierignore b/.prettierignore
index e411066752..e8eaea2cf1 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,4 +1,5 @@
 .venv
+.prism
 CHANGELOG.md
 PREVIEW-CHANGELOG.md
 docs/reference/cli.md