diff --git a/pyproject.toml b/pyproject.toml
index 2692d05..891d8db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ dependencies = [
     "wand (>=0.6.13,<0.7.0)",
     "pytest (>=8.4.2,<9.0.0)",
     "pillow (>=11.3.0,<12.0.0)",
+    "pytest-mockito (>=0.0.4,<0.0.5)",
 ]