diff --git a/pyproject.toml b/pyproject.toml
index d896cd8..2370972 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ classifiers = [
 
 [project.optional-dependencies]
 test = [
-    "mocket>=3.12.3",
+    "mocket>=3.12.3,<3.12.7",
 ]
 
 [tool.setuptools.package-data]