diff --git a/packages/docs/static/_headers b/packages/docs/static/_headers
index 10281e7d08..b50d752b19 100644
--- a/packages/docs/static/_headers
+++ b/packages/docs/static/_headers
@@ -6,3 +6,8 @@
   Cache-Control: public
   Cache-Control: max-age=365000000
   Cache-Control: immutable
+
+/img/*
+  Cache-Control: public
+  Cache-Control: max-age=604800
+  Cache-Control: immutable