diff --git a/requirements-testing.txt b/requirements-testing.txt
index 277cdf54e7..1fabc003a7 100644
--- a/requirements-testing.txt
+++ b/requirements-testing.txt
@@ -33,3 +33,4 @@ psutil==3.0.0
 gcs-oauth2-boto-plugin
 azure-storage<=0.20.3
 parameterized>=0.6.1
+freezegun