diff --git a/.gitignore b/.gitignore
index 0d386f1a71..09dfb9564a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,11 @@
-*cache*
+# Dependency/build caches only. Do not ignore content whose slug happens to
+# contain "cache" (for example, _posts/*-cache-invalidation.md).
+.cache/
+**/.cache/
+.*cache*/
+*.cache/
+*.cache-*
+__pycache__/
 vendor
 .bundle
 *.map