--- a
+++ b/.github/workflows/bump_version.yml
@@ -0,0 +1,77 @@
+---
+name: Bump version
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout main branch
+        uses: actions/checkout@v4
+
+      - name: Update changelog
+        uses: release-drafter/release-drafter@v5
+        id: release-drafter
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      # Can replace the below with (until pipeline description) with
+      # khanlab/actions/.github/workflows/workflow-version_task-semverGithub.yml
+      # after adding PAT token
+      - name: Get previous release version
+        run: |
+          echo "PREV_VER=$(cat pyproject.toml | grep -o -E '(version\s=\s)([[:punct:]])([0-9]+\.[0-9]+\.[0-9]+.+)([[:punct:]])' | cut -d ' ' -f 3 | tr -d '"')" >> $GITHUB_ENV
+
+      - name: Get previous bump version
+        env:
+          PREV_VER: ${{ env.PREV_VER }}
+        run: |
+          if [[ "$PREV_VER" != *"-pre."* ]]; then
+            echo "OLD_BUMP=0" >> $GITHUB_ENV
+          else
+            echo "OLD_BUMP=$(echo $PREV_VER | cut -d '.' -f 4)" >> $GITHUB_ENV
+          fi
+
+      - name: Bump version
+        env:
+          BUMP_VER: ${{ env.OLD_BUMP }}
+        run: |
+          echo "NEW_BUMP=$(($BUMP_VER + 1))" >> $GITHUB_ENV
+
+      - name: Update version in pyproject.toml
+        uses: jacobtomlinson/gha-find-replace@v3
+        with:
+          include: "pyproject.toml"
+          find: 'version = "(?:([0-9]+\.[0-9]+\.[0-9]+.+)|([0-9]+\.[0-9]+\.[0-9]+))"'
+          replace: 'version = "${{ steps.release-drafter.outputs.name }}-pre.${{ env.NEW_BUMP }}"'
+
+      - name: Update version in pipeline_description (not actually used)
+        uses: jacobtomlinson/gha-find-replace@v3
+        with:
+          include: "hippunfold/pipeline_description.json"
+          find: '"Version": "(?:([0-9]+\.[0-9]+\.[0-9]+.+)|([0-9]+\.[0-9]+\.[0-9]+))"'
+          replace: '"Version": "${{ steps.release-drafter.outputs.name }}-pre.${{ env.NEW_BUMP }}"'
+
+      - name: Update version in config/snakebids.yml
+        uses: jacobtomlinson/gha-find-replace@v3
+        with:
+          include: "hippunfold/config/snakebids.yml"
+          find: 'version: "(?:([0-9]+\.[0-9]+\.[0-9]+.+)|([0-9]+\.[0-9]+\.[0-9]+))"'
+          replace: 'version: "${{ steps.release-drafter.outputs.name }}-pre.${{ env.NEW_BUMP }}"'
+
+      - name: Commit updates
+        env:
+          SNAKEBIDS_VERSION: ${{ steps.release-drafter.outputs.name }}-pre.${{ env.NEW_BUMP }}
+        run: |
+          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git diff-index --quiet HEAD || git commit -m "Bump version to $SNAKEBIDS_VERSION" -a
+
+      - name: Push changes
+        uses: ad-m/github-push-action@v0.8.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          tags: false