diff --git a/Makefile b/Makefile
index a7f50b1a3..52aa3a226 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ install:
 
 install-uv:
 	uv pip install --system policyengine-uk
-	uv pip install --system policyengine>=2.4
+	uv pip install --system policyengine>=2.40.2
 	uv pip install --system -e ".[dev]" --config-settings editable_mode=compat
 
 download:
diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index e69de29bb..81e8f68ce 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    changed:
+    - Updated policyengine-uk to 2.40.2 (pin).
diff --git a/pyproject.toml b/pyproject.toml
index 33e012bb9..cfa1e01e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
     {name = "PolicyEngine", email = "hello@policyengine.org"},
 ]
 license = {file = "LICENSE"}
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
     "policyengine_core",
     "requests",