diff --git a/Pipfile b/Pipfile
index f60f8f63..6edce6c4 100644
--- a/Pipfile
+++ b/Pipfile
@@ -16,6 +16,6 @@ psycopg-binary = {version = "==3.2.12", markers="implementation_name == 'cpython
 pytest-cov = "==7.0.0"
 pytest-xdist = "==3.8.0"
 mock = "==5.2.0"
-mypy = "==1.18.2"
+mypy = {version = "==1.19.0", markers="implementation_name == 'cpython'"}
 types-setuptools = "==80.9.0.20250822"
 tbump = "==6.11.0"
diff --git a/newsfragments/1127.misc.rst b/newsfragments/1127.misc.rst
new file mode 100644
index 00000000..19ae97ec
--- /dev/null
+++ b/newsfragments/1127.misc.rst
@@ -0,0 +1 @@
+Do not install mypy on pypy.