diff --git a/requirements.txt b/requirements.txt
index 103be57..0c9ac4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 devpi-web==4.0.6
-devpi-server==6.15.0
+devpi-server==6.18.0
 devpi-client==5.2.2