diff --git a/tox.ini b/tox.ini
index 047da6b..dce61a7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -319,7 +319,7 @@ setenv =
     PIP_DISABLE_PIP_VERSION_CHECK=1
     UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
-[testenv:py{37,38,39,310,311,312,313-dev}-mypy{0.900,0.910,0.921,0.931}]
+[testenv:py{37,38,39,310,311}-mypy{0.900,0.910,0.921,0.931}]
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
@@ -330,6 +330,7 @@ deps =
     mypy0.921: mypy~=0.921.0
     mypy0.931: mypy~=0.931.0
     attrs<23.2.0,>=21.2.0
+    pytest<7.2.0,>=6.0.0
 
 [testenv:py312-mypy{0.900,0.910,0.921,0.931,1.0.1,1.2.0,1.4.1,1.6.1,1.8.0,latest}]
 setenv =