diff --git a/requirements.txt b/requirements.txt
index e5a7cb0..a0c7c00 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 devpi-lockdown==1.0.1
-devpi-server==4.9.0
+devpi-server==6.20.2
 devpi-web==3.5.1
 devpi-common==3.3.2
 devpi-client==4.4.0