diff --git a/requirements/base.txt b/requirements/base.txt
index ffb2d2d1e..de254c6b2 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -2,7 +2,7 @@
 git+https://github.com/liqd/adhocracy4.git@opin-v2302#egg=adhocracy4
 
 # Additional requirements
-bcrypt==3.2.2
+bcrypt==4.0.1
 brotli==1.0.9
 django-cloudflare-push==0.2.2
 django-countries==7.5.1