diff --git a/.github/workflows/release-image.yml b/.github/workflows/release-image.yml
index 7ab991d..f09cdab 100644
--- a/.github/workflows/release-image.yml
+++ b/.github/workflows/release-image.yml
@@ -4,6 +4,10 @@ on:
   release:
     types: [published]
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   push_to_registry:
     name: Push Docker image to GHCR
diff --git a/Dockerfile b/Dockerfile
index cfa8294..9e83027 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7-stretch
+FROM python:3.11-bookworm
 
 WORKDIR /app