diff --git a/requirements/base.txt b/requirements/base.txt
index d62b01d7e..5b73a0e53 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -36,7 +36,7 @@ uk-election-timetables==3.0.0
 uk-election-ids==0.7.5
 factory-boy==3.2.1
 Faker==19.2.0
-freezegun==1.2.2
+freezegun==1.5.1
 futures==3.1.1
 gender-detector==0.1.0
 git+https://github.com/dessibelle/sorl-thumbnail-serializer-field.git#egg=sorl-thumbnail-serializer-field