diff --git a/lastfreeze.txt b/lastfreeze.txt
index 3690d334..ec907751 100644
--- a/lastfreeze.txt
+++ b/lastfreeze.txt
@@ -45,7 +45,7 @@ pyramid-tm==2.4
 pyramid-zcml==1.2.0
 pyramid-zodbconn==0.8.1
 pytz==2019.3
-redis==3.4.1
+redis==4.4.4
 regex==2020.1.8
 repoze.catalog==0.9.0
 repoze.evolution==0.6
diff --git a/setup.py b/setup.py
index f1f12063..1b7f0fe5 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
     'pyramid_zcml',
     'repoze.workflow',
     'webhelpers',
-    'redis<3.5',
+    'redis<4.5',
     'pyramid-auto-env',
     'pyramid_retry',
     'pyramid_exclog',