diff --git a/pkgs/by-name/mi/mistral-vibe/package.nix b/pkgs/by-name/mi/mistral-vibe/package.nix
index c258d84f9af6..5883d3eba806 100644
--- a/pkgs/by-name/mi/mistral-vibe/package.nix
+++ b/pkgs/by-name/mi/mistral-vibe/package.nix
@@ -29,6 +29,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
   ];
 
   pythonRelaxDeps = [
+    "agent-client-protocol"
     "gitpython"
     "mistralai"
     "pydantic"