diff --git a/.github/actions/combine-dependabot-prs/action.yaml b/.github/actions/combine-dependabot-prs/action.yaml
new file mode 100644
index 0000000..6029ec9
--- /dev/null
+++ b/.github/actions/combine-dependabot-prs/action.yaml
@@ -0,0 +1,45 @@
+name: "Combine Dependabot PRs"
+description: "Combine open dependency PRs into a single branch and PR"
+inputs:
+  labels:
+    description: "Label used to select PRs"
+    required: false
+    default: "dependencies"
+  pr_title:
+    description: "Combined pull request title"
+    required: false
+    default: "CCM-9336: Combined Dependabot PRs"
+  combine_branch_name:
+    description: "Branch used for the combined pull request"
+    required: false
+    default: "dependabotCombined"
+  pr_body_header:
+    description: "Header text used at the top of the combined pull request body"
+    required: false
+    default: "CCM-9336: Combined Dependabot PRs"
+runs:
+  using: "composite"
+  steps:
+    - name: "Combine pull requests"
+      uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
+      env:
+        INPUT_LABEL: ${{ inputs.labels }}
+        INPUT_PR_TITLE: ${{ inputs.pr_title }}
+        INPUT_COMBINE_BRANCH: ${{ inputs.combine_branch_name }}
+        INPUT_PR_BODY_HEADER: ${{ inputs.pr_body_header }}
+      with:
+        script: |
+          const path = require("node:path");
+          const run = require(path.join(process.env.GITHUB_ACTION_PATH, "combine-dependabot-prs.js"));
+
+          await run({
+            github,
+            context,
+            core,
+            inputs: {
+              label: process.env.INPUT_LABEL,
+              prTitle: process.env.INPUT_PR_TITLE,
+              combineBranch: process.env.INPUT_COMBINE_BRANCH,
+              prBodyHeader: process.env.INPUT_PR_BODY_HEADER,
+            },
+          });
diff --git a/.github/actions/combine-dependabot-prs/combine-dependabot-prs.js b/.github/actions/combine-dependabot-prs/combine-dependabot-prs.js
new file mode 100644
index 0000000..60bb073
--- /dev/null
+++ b/.github/actions/combine-dependabot-prs/combine-dependabot-prs.js
@@ -0,0 +1,111 @@
+module.exports = async ({ github, context, core, inputs }) => {
+  const owner = context.repo.owner;
+  const repo = context.repo.repo;
+  const baseBranch = "main";
+  const combineBranch = inputs.combineBranch;
+  const prTitle = inputs.prTitle;
+  const prBodyHeader = inputs.prBodyHeader;
+  const requiredLabel = (inputs.label || "dependencies").trim();
+
+  const allOpenPrs = await github.paginate(github.rest.pulls.list, {
+    owner,
+    repo,
+    state: "open",
+    per_page: 100,
+  });
+
+  const dependencyPrs = allOpenPrs
+    .filter((pr) => pr.labels.some((label) => label.name === requiredLabel))
+    .sort((a, b) => a.number - b.number);
+
+  if (dependencyPrs.length === 0) {
+    core.info("No open dependency PRs found; nothing to combine.");
+    return;
+  }
+
+  const { data: baseRef } = await github.rest.git.getRef({
+    owner,
+    repo,
+    ref: `heads/${baseBranch}`,
+  });
+
+  const baseSha = baseRef.object.sha;
+
+  try {
+    await github.rest.git.getRef({
+      owner,
+      repo,
+      ref: `heads/${combineBranch}`,
+    });
+
+    await github.rest.git.updateRef({
+      owner,
+      repo,
+      ref: `heads/${combineBranch}`,
+      sha: baseSha,
+      force: true,
+    });
+  } catch (error) {
+    if (error.status !== 404) {
+      throw error;
+    }
+
+    await github.rest.git.createRef({
+      owner,
+      repo,
+      ref: `refs/heads/${combineBranch}`,
+      sha: baseSha,
+    });
+  }
+
+  for (const pr of dependencyPrs) {
+    try {
+      await github.rest.repos.merge({
+        owner,
+        repo,
+        base: combineBranch,
+        head: pr.head.sha,
+        commit_message: `Merge #${pr.number} into ${combineBranch}`,
+      });
+      core.info(`Merged PR #${pr.number} (${pr.head.ref}) into ${combineBranch}`);
+    } catch (error) {
+      core.setFailed(
+        `Failed to merge PR #${pr.number} (${pr.head.ref}) into ${combineBranch}: ${error.message}`,
+      );
+      throw error;
+    }
+  }
+
+  const includedPrLines = dependencyPrs.map((pr) => `- #${pr.number}`).join("\n");
+  const prBody = `${prBodyHeader}\n\nIncluded PRs:\n${includedPrLines}`;
+
+  const existingCombinedPr = allOpenPrs.find(
+    (pr) =>
+      pr.base.ref === baseBranch &&
+      pr.head.ref === combineBranch &&
+      pr.user?.login !== "dependabot[bot]",
+  );
+
+  if (existingCombinedPr) {
+    await github.rest.pulls.update({
+      owner,
+      repo,
+      pull_number: existingCombinedPr.number,
+      title: prTitle,
+      body: prBody,
+    });
+    core.info(`Updated existing combined PR #${existingCombinedPr.number}`);
+    return;
+  }
+
+  const { data: newPr } = await github.rest.pulls.create({
+    owner,
+    repo,
+    title: prTitle,
+    head: combineBranch,
+    base: baseBranch,
+    body: prBody,
+  });
+
+  core.info(`Created combined PR #${newPr.number}`);
+};