diff --git a/services/ollama.nix b/services/ollama.nix
index 4e78c15..0ffe6ed 100644
--- a/services/ollama.nix
+++ b/services/ollama.nix
@@ -14,11 +14,15 @@
                 pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
                     (python-final: python-prev: {
                         langchain = python-prev.langchain.overridePythonAttrs (oldAttrs: {
-                            # This disables the checkPhase (running tests) for langchain
-                            doCheck = false; 
+                            doCheck = false;
                         });
                     })
                 ];
+                # valkey 8.1.x has a flaky replication integration test that
+                # fails non-deterministically; skip checks to unblock open-webui.
+                valkey = prev.valkey.overrideAttrs (oldAttrs: {
+                    doCheck = false;
+                });
             })
         ];
     };