diff --git a/.github/workflows/images.yml b/.github/workflows/images.yml
index 340514a..5de6f0c 100644
--- a/.github/workflows/images.yml
+++ b/.github/workflows/images.yml
@@ -13,6 +13,8 @@ on:
         description: Runpod SDK package spec
         required: true
         default: runpod
+  push:
+    branches: [main]
 
 permissions:
   contents: read
@@ -35,6 +37,10 @@ jobs:
             tag="${RELEASE_TAG#v}"
             sdk_spec="runpod"
             release_tags="true"
+          elif [ "${{ github.event_name }}" = "push" ]; then
+            tag="dev"
+            sdk_spec="https://github.com/runpod/runpod-python/archive/refs/heads/main.tar.gz"
+            release_tags="false"
           else
             tag="$INPUT_TAG"
             sdk_spec="$INPUT_SDK_SPEC"
diff --git a/README.md b/README.md
index d1e58da..d9eee86 100644
--- a/README.md
+++ b/README.md
@@ -20,8 +20,9 @@ packages excluded from GPU deployment artifacts.
 | `runpod/task-gpu:py3.12-latest` | ephemeral GPU task pods |
 
 Python 3.10 through 3.14 are published. Release tags use
-`py<python>-<runtime-version>`, and `latest` tracks the newest release. Manual image
-publishes support channels such as `dev`.
+`py<python>-<runtime-version>`, and `latest` tracks the newest release. Pushes to
+`main` publish `py<python>-dev` images using the SDK's `main` branch. Manual image
+publishes support custom tag suffixes and SDK package sources.
 
 ## Package