diff --git a/.github/workflows/codespaces-image.yml b/.github/workflows/codespaces-image.yml
index a7fc596b..95303b89 100644
--- a/.github/workflows/codespaces-image.yml
+++ b/.github/workflows/codespaces-image.yml
@@ -1,10 +1,9 @@
-name: Create and publish Codespaces Docker images
+name: Create and publish a Codespaces Docker image
 
 on:
   push:
     branches:
       - master
-      - codespaces-image-build
 
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }} 
diff --git a/README.md b/README.md
index d34ae8af..a6f4b92b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # slackbot
 
-[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://github.com/codespaces/new?hide_repo_select=false&ref=master&repo=105612722&skip_quickstart=false)
+[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/tsg-ut/slackbot?quickstart=1)
 
 [![Test][action-image]][action-url]
 [![Coverage Status][codecov-image]][codecov-url]