diff --git a/backend/dynamic_metadata.py b/backend/dynamic_metadata.py
index c0b91d9372..717fd65931 100644
--- a/backend/dynamic_metadata.py
+++ b/backend/dynamic_metadata.py
@@ -75,7 +75,7 @@ def dynamic_metadata(
                 "nvidia-curand-cu11",
                 "nvidia-cusolver-cu11",
                 "nvidia-cusparse-cu11",
-                "nvidia-cudnn-cu11",
+                "nvidia-cudnn-cu11<9",
                 "nvidia-cuda-nvcc-cu11",
             ],
             "cu12": [
@@ -85,7 +85,7 @@ def dynamic_metadata(
                 "nvidia-curand-cu12",
                 "nvidia-cusolver-cu12",
                 "nvidia-cusparse-cu12",
-                "nvidia-cudnn-cu12",
+                "nvidia-cudnn-cu12<9",
                 "nvidia-cuda-nvcc-cu12",
             ],
         }