diff --git a/requirements/test.txt b/requirements/test.txt
index 6afcdfdb..ae1a5e3d 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -53,7 +53,7 @@ pyparsing==2.4.2          # via packaging
 pytest-cov==2.7.1
 pytest==4.6.5
 python-mimeparse==1.6.0   # via testtools
-pytz==2019.2              # via babel
+pytz==2019.3              # via babel
 pyyaml==5.1
 requests==2.22.0          # via sphinx
 snowballstemmer==2.0.0    # via pydocstyle, sphinx