diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7617a30..7df032f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 # Master
 
+- Add failcase for cache busting
+
 - Correct ftp to https in vendored file
 - Warn for Django 1.11 approaching EOL, provide link to roadmap
 
diff --git a/test/run-deps b/test/run-deps
index 29d7f8f..9992497 100755
--- a/test/run-deps
+++ b/test/run-deps
@@ -65,6 +65,16 @@ testPylibmc() {
   assertCapturedSuccess
 }
 
+testDeployingTwiceUsesTheCache() {
+  compile "pythonDefault"
+  assertNotCaptured "Installing collected packages:"
+  assertCapturedSuccess
+  compile "pythonDefault"
+  assertCaptured "Requirement already satisfied:"
+  assertNotCaptured "Installing collected packages:"
+  assertCapturedSuccess
+}
+
 pushd $(dirname 0) >/dev/null
 popd >/dev/null