diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index ec610bec..2a9f9799 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,5 +1,10 @@
 * @temporalio/sdk
 
+# SDK & Nexus own the README, pyproject.toml, and uv.lock
+/README.md @temporalio/sdk @temporalio/nexus
+/pyproject.toml @temporalio/sdk @temporalio/nexus
+/uv.lock @temporalio/sdk @temporalio/nexus
+
 # The Nexus team owns any folder whose name starts or ends with "nexus",
 # both at the repo root and under tests/
 /nexus*/ @temporalio/nexus