diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index b40f357ace80..7bf90df3cb66 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -123,6 +123,12 @@ markdown<3.4.0
 # Issue for unpinning: https://github.com/openedx/edx-platform/issues/35270
 moto<5.0
 
+# Date: 2024-10-16
+# MyPY 1.12.0 fails on all PRs with the following error:
+# openedx/core/djangoapps/content_libraries/api.py:732: error: INTERNAL ERROR
+# Issue for unpinning: https://github.com/openedx/edx-platform/issues/35667
+mypy<1.12.0
+
 # Date: 2024-07-16
 # We need to upgrade the version of elasticsearch to atleast 7.15 before we can upgrade to Numpy 2.0.0
 # Otherwise we see a failure while running the following command:
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 75b966519d3d..5bbe07ade1de 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -1279,8 +1279,9 @@ multidict==6.1.0
     #   -r requirements/edx/testing.txt
     #   aiohttp
     #   yarl
-mypy==1.12.0
+mypy==1.11.2
     # via
+    #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/development.in
     #   django-stubs
     #   djangorestframework-stubs