diff --git a/.gitignore b/.gitignore
index e333f2320b..f9873b6bbd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,6 +53,7 @@ __pycache__/
 !/.coveragerc
 /.coverage*
 /.mypy_cache/
+/.ruff_cache/
 /.tox
 /.tox-pg-container
 /build/
diff --git a/changelog.d/19854.misc b/changelog.d/19854.misc
new file mode 100644
index 0000000000..501745ebb1
--- /dev/null
+++ b/changelog.d/19854.misc
@@ -0,0 +1 @@
+Add `.ruff_cache/` directory to `.gitignore`.