diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 95e779005..3bd989aa1 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,6 +11,21 @@ updates:
       - auto-approve
     allow:
       - dependency-type: production
+    ignore:
+      - dependency-name: "@aws-cdk-testing/cli-integ"
+      - dependency-name: "@aws-cdk/cdk-assets-lib"
+      - dependency-name: "@aws-cdk/cli-plugin-contract"
+      - dependency-name: "@aws-cdk/cloud-assembly-api"
+      - dependency-name: "@aws-cdk/cloud-assembly-schema"
+      - dependency-name: "@aws-cdk/cloudformation-diff"
+      - dependency-name: "@aws-cdk/integ-runner"
+      - dependency-name: "@aws-cdk/private-tools"
+      - dependency-name: "@aws-cdk/toolkit-lib"
+      - dependency-name: "@aws-cdk/user-input-gen"
+      - dependency-name: "@aws-cdk/yarn-cling"
+      - dependency-name: aws-cdk
+      - dependency-name: cdk
+      - dependency-name: cdk-assets
     directories:
       - /
       - /packages/@aws-cdk-testing/cli-integ
diff --git a/.projenrc.ts b/.projenrc.ts
index ce1055507..b21516777 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -1722,6 +1722,9 @@ new pj.YamlFile(repo, '.github/dependabot.yml', {
         'allow': [{
           'dependency-type': 'production',
         }],
+        'ignore': repoProject.subprojects
+          .map(p => ({ 'dependency-name': p.name }))
+          .sort((a, b) => a['dependency-name'].localeCompare(b['dependency-name'])),
         'directories': ['/', ...repoProject.node.children
           .filter(child => child instanceof TypeScriptWorkspace)
           .map(ts => `/${path.relative(repoProject.outdir, ts.outdir)}`)