diff --git a/Dockerfile b/Dockerfile
index 49a47577..d95b8902 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:slim
+FROM python:3.11-slim
 WORKDIR /app
 
 EXPOSE 8080
diff --git a/runtime.txt b/runtime.txt
new file mode 100644
index 00000000..42ef0e20
--- /dev/null
+++ b/runtime.txt
@@ -0,0 +1 @@
+python-3.11.7 
\ No newline at end of file