diff --git a/.github/workflows/ci-docker.yml b/.github/workflows/ci-docker.yml
index c310d56..9d3ab47 100644
--- a/.github/workflows/ci-docker.yml
+++ b/.github/workflows/ci-docker.yml
@@ -2,7 +2,7 @@ name: Docker CI
 
 on:
   pull_request:
-    branches: ['main']
+    branches: ['main','release/1.20']
     paths: ['Dockerfile','.github/workflows/ci-docker.yml']
 
 env:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 85c7a2f..b108176 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -2,7 +2,7 @@ name: publish
 
 on:
   push:
-    branches: ['main']
+    branches: ['main','release/1.20']
     tags:
       - 'v*.*.*'
 
diff --git a/Dockerfile b/Dockerfile
index 2f68eef..d9a4f04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
 FROM cgr.dev/chainguard/wolfi-base AS go
-RUN apk update && apk add ca-certificates-bundle build-base openssh go-1.20~=1.20.7
+RUN apk update && apk add ca-certificates-bundle build-base openssh go-1.20~=1.20.8
 ENTRYPOINT /usr/bin/go