diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0e0fc7ba..4d995433 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 coverage==6.5.0
 coveralls==3.3.1
-mypy==1.3.0
+mypy==1.5.1
 pytest==7.4.0
 pytest-cov==4.1.0
 pytest-mypy==0.10.3