diff --git a/.gitignore b/.gitignore
index 90e81dd13..f2994588f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 node_modules/
 .tools/
 .BUILD_COMPLETED
+lerna-debug.log
 package-lock.json
 yarn-error.log
 
diff --git a/examples/deadline/All-In-AWS-Infrastructure-Basic/ts/lib/storage-tier.ts b/examples/deadline/All-In-AWS-Infrastructure-Basic/ts/lib/storage-tier.ts
index 1db3d6cb0..b9862683c 100644
--- a/examples/deadline/All-In-AWS-Infrastructure-Basic/ts/lib/storage-tier.ts
+++ b/examples/deadline/All-In-AWS-Infrastructure-Basic/ts/lib/storage-tier.ts
@@ -325,7 +325,7 @@ export class StorageTierDocDB extends StorageTier {
       masterUser: {
         username: 'adminuser',
       },
-      engineVersion: '5.0.0',
+      engineVersion: '3.6.0',
       backup: {
         // We recommend setting the retention of your backups to 15 days
         // for security reasons. The default retention is just one day.
diff --git a/packages/aws-rfdk/lib/deadline/lib/repository.ts b/packages/aws-rfdk/lib/deadline/lib/repository.ts
index 2352b9b5b..5a5276888 100644
--- a/packages/aws-rfdk/lib/deadline/lib/repository.ts
+++ b/packages/aws-rfdk/lib/deadline/lib/repository.ts
@@ -678,7 +678,7 @@ export class Repository extends Construct implements IRepository {
        */
       const parameterGroup = databaseAuditLogging ? new ClusterParameterGroup(this, 'ParameterGroup', {
         description: 'DocDB cluster parameter group with enabled audit logs',
-        family: 'docdb5.0',
+        family: 'docdb3.6',
         parameters: {
           audit_logs: 'enabled',
         },
@@ -687,7 +687,7 @@ export class Repository extends Construct implements IRepository {
       const instances = props.documentDbInstanceCount ?? Repository.DEFAULT_NUM_DOCDB_INSTANCES;
       const dbCluster = new DatabaseCluster(this, 'DocumentDatabase', {
         masterUser: {username: 'DocDBUser'},
-        engineVersion: '5.0.0',
+        engineVersion: '3.6.0',
         instanceType: InstanceType.of(InstanceClass.R5, InstanceSize.LARGE),
         vpc: props.vpc,
         vpcSubnets: props.vpcSubnets ?? { subnetType: SubnetType.PRIVATE_WITH_EGRESS, onePerAz: true },