diff --git a/packages/@jsii/python-runtime/requirements.txt b/packages/@jsii/python-runtime/requirements.txt
index 78d8a9bb98..f024894e7c 100644
--- a/packages/@jsii/python-runtime/requirements.txt
+++ b/packages/@jsii/python-runtime/requirements.txt
@@ -1,7 +1,7 @@
 black~=24.2
-mypy==1.8.0
+mypy==1.9.0
 pip~=24.0
-pytest~=8.0
+pytest~=8.1
 pytest-mypy~=0.10
 setuptools~=69.1.1
 types-python-dateutil~=2.8
diff --git a/packages/jsii-pacmak/test/generated-code/requirements-dev.txt b/packages/jsii-pacmak/test/generated-code/requirements-dev.txt
index 75a01db88b..7acf1f915e 100644
--- a/packages/jsii-pacmak/test/generated-code/requirements-dev.txt
+++ b/packages/jsii-pacmak/test/generated-code/requirements-dev.txt
@@ -1,2 +1,2 @@
-mypy==1.8.0
+mypy==1.9.0
 pip==24.0 # required to use --config-settings