diff --git a/canary/cog.yaml b/canary/cog.yaml
index defc03d..b1ec464 100644
--- a/canary/cog.yaml
+++ b/canary/cog.yaml
@@ -1,3 +1,4 @@
 build:
-  python_version: "3.12"
+  python_version: "3.13"
+  cog_runtime: true
 predict: "predict.py:Predictor"
diff --git a/hello-image/cog.yaml b/hello-image/cog.yaml
index defc03d..b1ec464 100644
--- a/hello-image/cog.yaml
+++ b/hello-image/cog.yaml
@@ -1,3 +1,4 @@
 build:
-  python_version: "3.12"
+  python_version: "3.13"
+  cog_runtime: true
 predict: "predict.py:Predictor"