diff --git a/.github/workflows/notify-downstream.yml b/.github/workflows/notify-downstream.yml
index 13f8124..852e835 100644
--- a/.github/workflows/notify-downstream.yml
+++ b/.github/workflows/notify-downstream.yml
@@ -33,33 +33,53 @@ jobs:
 
       - name: Extract commit info
         id: commit
+        env:
+          GH_REPOSITORY: ${{ github.repository }}
+          GH_REPO_NAME: ${{ github.event.repository.name }}
+          GH_ACTOR: ${{ github.actor }}
         run: |
+          write_output() {
+            local key="$1" value="$2"
+            local delim="__EOF__$(date +%s%N)_$RANDOM"
+            {
+              printf '%s<<%s\n' "$key" "$delim"
+              printf '%s\n' "$value"
+              printf '%s\n' "$delim"
+            } >> "$GITHUB_OUTPUT"
+          }
+
           MSG=$(git log -1 --pretty=%s)
-          echo "message=$MSG" >> $GITHUB_OUTPUT
-          echo "sha=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
-          echo "short_sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
-          if [[ "$MSG" =~ ^feat[:(] ]]; then echo "type=feat" >> $GITHUB_OUTPUT
-          elif [[ "$MSG" =~ ^fix[:(] ]]; then echo "type=fix" >> $GITHUB_OUTPUT
-          elif [[ "$MSG" =~ ^chore[:(] ]]; then echo "type=chore" >> $GITHUB_OUTPUT
-          elif [[ "$MSG" =~ ^docs[:(] ]]; then echo "type=docs" >> $GITHUB_OUTPUT
-          elif [[ "$MSG" =~ ^test[:(] ]]; then echo "type=test" >> $GITHUB_OUTPUT
-          elif [[ "$MSG" =~ ^refactor[:(] ]]; then echo "type=refactor" >> $GITHUB_OUTPUT
-          else echo "type=other" >> $GITHUB_OUTPUT
+          write_output message "$MSG"
+          write_output repo "$GH_REPOSITORY"
+          write_output repo_name "$GH_REPO_NAME"
+          write_output actor "$GH_ACTOR"
+          write_output sha "$(git rev-parse HEAD)"
+          write_output short_sha "$(git rev-parse --short HEAD)"
+
+          re_feat='^feat[!:(]'; re_fix='^fix[!:(]'; re_chore='^chore[!:(]'
+          re_docs='^docs[!:(]'; re_test='^test[!:(]'; re_refactor='^refactor[!:(]'
+          if [[ "$MSG" =~ $re_feat ]]; then write_output type "feat"
+          elif [[ "$MSG" =~ $re_fix ]]; then write_output type "fix"
+          elif [[ "$MSG" =~ $re_chore ]]; then write_output type "chore"
+          elif [[ "$MSG" =~ $re_docs ]]; then write_output type "docs"
+          elif [[ "$MSG" =~ $re_test ]]; then write_output type "test"
+          elif [[ "$MSG" =~ $re_refactor ]]; then write_output type "refactor"
+          else write_output type "other"
           fi
 
       - name: Notify ${{ matrix.downstream }}
-        uses: peter-evans/repository-dispatch@v3
+        uses: peter-evans/repository-dispatch@v4
         with:
           token: ${{ secrets.PARENT_REPO_PAT }}
           repository: harmony-labs/${{ matrix.downstream }}
           event-type: dependency-updated
           client-payload: >-
             {
-              "repo": ${{ toJSON(github.repository) }},
-              "repo_name": ${{ toJSON(github.event.repository.name) }},
+              "repo": ${{ toJSON(steps.commit.outputs.repo) }},
+              "repo_name": ${{ toJSON(steps.commit.outputs.repo_name) }},
               "sha": ${{ toJSON(steps.commit.outputs.sha) }},
               "short_sha": ${{ toJSON(steps.commit.outputs.short_sha) }},
               "message": ${{ toJSON(steps.commit.outputs.message) }},
               "type": ${{ toJSON(steps.commit.outputs.type) }},
-              "actor": ${{ toJSON(github.actor) }}
+              "actor": ${{ toJSON(steps.commit.outputs.actor) }}
             }