diff --git a/.gitmodules b/.gitmodules
index b668272..f1ab38b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "cpython"]
         path = cpython
-        url = https://github.com/dicej/cpython
+        url = https://github.com/python/cpython
+        branch = 3.12
diff --git a/runtime/pyo3-config-clippy.txt b/runtime/pyo3-config-clippy.txt
index df2054b..b0b78fa 100644
--- a/runtime/pyo3-config-clippy.txt
+++ b/runtime/pyo3-config-clippy.txt
@@ -1,8 +1,8 @@
 implementation=CPython
-version=3.11
+version=3.12
 shared=false
 abi3=false
-lib_name=python3.11
+lib_name=python3.12
 pointer_width=64
 build_flags=
 suppress_build_script_link_lines=false