diff --git a/infrastructure/environments/demo-cfn-create-args.yaml b/infrastructure/environments/demo-cfn-create-args.yaml
index ff15ab6a..e25375b8 100644
--- a/infrastructure/environments/demo-cfn-create-args.yaml
+++ b/infrastructure/environments/demo-cfn-create-args.yaml
@@ -3,7 +3,7 @@ Parameters:
   - ParameterKey: AdminUserEmail
     ParameterValue: my@email.com
   - ParameterKey: Version
-    ParameterValue: 3.9.1
+    ParameterValue: 3.10.0
   - ParameterKey: InfrastructureBucket
     ParameterValue: BUCKET_URL_PLACEHOLDER
   - ParameterKey: PublicEcrImageUri
diff --git a/infrastructure/environments/demo-cfn-update-args.yaml b/infrastructure/environments/demo-cfn-update-args.yaml
index 61928e1b..354df1da 100644
--- a/infrastructure/environments/demo-cfn-update-args.yaml
+++ b/infrastructure/environments/demo-cfn-update-args.yaml
@@ -3,7 +3,7 @@ Parameters:
   - ParameterKey: AdminUserEmail
     UsePreviousValue: true
   - ParameterKey: Version
-    ParameterValue: 3.9.1
+    ParameterValue: 3.10.0
   - ParameterKey: InfrastructureBucket
     ParameterValue: BUCKET_URL_PLACEHOLDER
   - ParameterKey: PublicEcrImageUri
diff --git a/infrastructure/parallelcluster-ui.yaml b/infrastructure/parallelcluster-ui.yaml
index 5eed3a80..e0cbd936 100644
--- a/infrastructure/parallelcluster-ui.yaml
+++ b/infrastructure/parallelcluster-ui.yaml
@@ -34,7 +34,7 @@ Parameters:
   Version:
     Description: Version of AWS ParallelCluster to deploy
     Type: String
-    Default: 3.9.1
+    Default: 3.10.0
   ImageBuilderVpcId:
     Description: (Optional) Select the VPC to use for building the container images. If not selected, default VPC will be used.
     Type: String