diff --git a/.gitignore b/.gitignore
index 2d29f388..813748c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -167,6 +167,9 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
+# Ruff stuff:
+.ruff_cache/
+
 # PyPI configuration file
 .pypirc