diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8e01e47..acac959 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,4 +3,4 @@ pytest
 pytest-cov
 flake8==3.7.9
 autopep8==1.4.4
-freezegun==0.3.12
\ No newline at end of file
+freezegun==0.3.13
\ No newline at end of file