diff --git a/requirements.txt b/requirements.txt
index 24893afb..ff1ff19a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ pytest-mock==3.1.0        # via -r requirements.in
 pytest==5.4.1             # via -r requirements.in, pytest-cov, pytest-mock
 python-dateutil==2.7.3    # via croniter
 pytz==2019.3              # via -r requirements.in, babel
-redis==3.4.1              # via -r requirements.in
+redis==3.5.2              # via -r requirements.in
 requests==2.23.0          # via sphinx
 six==1.11.0               # via more-itertools, packaging, pip-tools, python-dateutil
 snowballstemmer==2.0.0    # via sphinx