diff --git a/pkgs/development/python-modules/pytest-textual-snapshot/default.nix b/pkgs/development/python-modules/pytest-textual-snapshot/default.nix
index b0ab480685fd..30ffa1b09144 100644
--- a/pkgs/development/python-modules/pytest-textual-snapshot/default.nix
+++ b/pkgs/development/python-modules/pytest-textual-snapshot/default.nix
@@ -36,6 +36,10 @@ buildPythonPackage rec {
     textual
   ];
 
+  pythonRelaxDeps = [
+    "syrupy"
+  ];
+
   # Module has no tests
   doCheck = false;