diff --git a/.python-version b/.python-version
index e4fba218..24ee5b1b 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.12
+3.13
diff --git a/test/environment/grpc/.python-version b/test/environment/grpc/.python-version
deleted file mode 100644
index 7d4ef04f..00000000
--- a/test/environment/grpc/.python-version
+++ /dev/null
@@ -1 +0,0 @@
-3.10.3