diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index 4c26304..c9a1e9c 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -5,63 +5,9 @@ on:
   schedule:
     - cron: "00 12 * * *"
 jobs:
-  createPullRequest:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      # - name: Login to Docker Hub
-        # uses: docker/login-action@v3
-        # with:
-        #   username: ${{ secrets.DOCKERHUB_USERNAME }}
-        #   password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Install Nix
-        uses: cachix/install-nix-action@v24
-        with:
-          extra_nix_config: |
-            experimental-features = nix-command flakes auto-allocate-uids configurable-impure-env
-      - name: Calculate pre-drv
-        run: nix run git+https://nayeonie.com/ahuston-0/flake-update-diff -- --build .
-      # - name: Pull latest docker images
-      #   run: nix ./utils/fetch-docker.sh
-      - name: Update flake.lock (part 1)
-        run: nix flake update
-      - name: Calculate post-drv
-        run: nix run git+https://nayeonie.com/ahuston-0/flake-update-diff --  --build .
-      # - name: Calculate diff
-      #   run: nix ./utils/diff-evals.sh
-      # - name: Read diff into environment
-      #   run: |
-      #     delimiter="$(openssl rand -hex 8)"
-      #     {
-      #     echo "POSTDIFF<<${delimiter}"
-      #     cat post-diff
-      #     echo "${delimiter}"
-      #     } >> $GITHUB_ENV
-
-
-      # - name: Restore flake.lock for next step
-      #   run: git restore flake.lock
-      # - name: Update flake.lock
-      #   id: update
-      #   uses: DeterminateSystems/update-flake-lock@main
-      #   with:
-      #     token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
-      #     pr-body: |
-      #       Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.
-
-      #       ```
-      #       {{ env.GIT_COMMIT_MESSAGE }}
-      #       ```
-
-      #       ```
-      #       {{ env.POSTDIFF }}
-      #       ```
-      #     pr-labels: |                  # Labels to be set on the PR
-      #       dependencies
-      #       automated
   update_lockfile:
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main' # ensure workflow_dispatch only runs on main
+    #if: github.ref == 'refs/heads/main' # ensure workflow_dispatch only runs on main
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -94,14 +40,13 @@ jobs:
         run: nix ./utils/eval-to-drv.sh post
       - name: Calculate diff
         run: nix ./utils/diff-evals.sh
-      - name: Read diff into environment
-        run: |
-          delimiter="$(openssl rand -hex 8)"
-          {
-          echo "POSTDIFF<<${delimiter}"
-          cat post-diff
-          echo "${delimiter}"
-          } >> $GITHUB_ENV
+      - name: Read file contents
+        id: read_file
+        uses: andstor/file-reader-action@v1
+        with:
+          path: "post-diff"
+      - name: File contents
+        run: echo "${ steps.read_file.outputs.contents }"
       - name: Write PR body template
         uses: https://github.com/DamianReeves/write-file-action@v1.3
         with:
@@ -114,7 +59,7 @@ jobs:
             ```
 
             ```
-            {{ env.POSTDIFF }}
+            {{ steps.read_file.outputs.contents }}
             ```
 
             Auto-generated by [update.yml][1] with the help of