diff --git a/requirements_dev.txt b/requirements_dev.txt
index e53a1af..2f1fd80 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -12,4 +12,4 @@ pytest==5.4.3
 pytest-runner==5.2
 pytest-mock==3.2.0
 hypothesis==5.24.0
-freezegun==0.3.15
+freezegun==1.1.0