diff --git a/requirements_test.txt b/requirements_test.txt
index 58e630b..678b78b 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -5,5 +5,5 @@ typing-extensions==4.5.0
 
 # Only for CPython (exclude pypy).
 celery-types==0.14.0; implementation_name != 'pypy'
-mypy==1.0.0; implementation_name != 'pypy'
+mypy==1.7.1; implementation_name != 'pypy'
 types-setuptools==67.6.0.6; implementation_name != 'pypy'