diff --git a/.github/workflows/integ.yml b/.github/workflows/integ.yml
index 4c691f292..b3f07ace4 100644
--- a/.github/workflows/integ.yml
+++ b/.github/workflows/integ.yml
@@ -76,8 +76,8 @@ jobs:
         uses: aws-actions/configure-aws-credentials@v4
         with:
           aws-region: us-east-1
-          role-duration-seconds: 14400
-          role-to-assume: ${{ vars.AWS_ROLE_TO_ASSUME_FOR_TESTING }}
+          role-duration-seconds: 3600
+          role-to-assume: ${{ vars.CDK_ATMOSPHERE_PROD_OIDC_ROLE }}
           role-session-name: run-tests@aws-cdk-cli-integ
           output-credentials: true
       - name: Set git identity
@@ -122,7 +122,9 @@ jobs:
           JSII_SILENCE_WARNING_UNTESTED_NODE_VERSION: "true"
           JSII_SILENCE_WARNING_KNOWN_BROKEN_NODE_VERSION: "true"
           DOCKERHUB_DISABLED: "true"
-          AWS_REGIONS: us-east-2,eu-west-1,eu-north-1,ap-northeast-1,ap-south-1
+          CDK_INTEG_ATMOSPHERE_ENABLED: "true"
+          CDK_INTEG_ATMOSPHERE_ENDPOINT: ${{ vars.CDK_ATMOSPHERE_PROD_ENDPOINT }}
+          CDK_INTEG_ATMOSPHERE_POOL: ${{ vars.CDK_INTEG_ATMOSPHERE_POOL }}
           CDK_MAJOR_VERSION: "2"
           RELEASE_TAG: latest
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.projenrc.ts b/.projenrc.ts
index 14612653b..13a45fd61 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -1538,6 +1538,11 @@ new CdkCliIntegTestsWorkflow(repo, {
     // - Previously released version for aws-cdk-lib
     cloudAssemblySchema.name,
   ],
+  enableAtmosphere: {
+    oidcRoleArn: '${{ vars.CDK_ATMOSPHERE_PROD_OIDC_ROLE }}',
+    endpoint: '${{ vars.CDK_ATMOSPHERE_PROD_ENDPOINT }}',
+    pool: '${{ vars.CDK_INTEG_ATMOSPHERE_POOL }}',
+  },
 });
 
 new CodeCovWorkflow(repo, {