diff --git a/2026-RIKEN/docker/Dockerfile.benchpark b/2026-RIKEN/docker/Dockerfile.benchpark
index 0734927..40ab9ad 100644
--- a/2026-RIKEN/docker/Dockerfile.benchpark
+++ b/2026-RIKEN/docker/Dockerfile.benchpark
@@ -32,7 +32,7 @@ USER ${NB_USER}
 
 RUN git clone https://github.com/LLNL/benchpark.git ${HOME}/benchpark && \
     cd ${HOME}/benchpark && \
-    git checkout -b develop-2025-09-10 develop-2025-09-10 && \
+    git checkout -b develop-2025-12-11 develop-2025-12-11 && \
     git submodule update --init --recursive
 
 USER root
diff --git a/2026-RIKEN/infrastructure/dry-run/config.toml b/2026-RIKEN/infrastructure/dry-run/config.toml
index df1a05c..a399652 100644
--- a/2026-RIKEN/infrastructure/dry-run/config.toml
+++ b/2026-RIKEN/infrastructure/dry-run/config.toml
@@ -32,7 +32,7 @@ memory_min = "600Mi"
 
 [aws.Helm]
 max_concurrent_users = 14
-hub_password = "hpctutorial25"
+hub_password = "hpctutorial26"
 hub_db_capacity = "32Gi"
 ebs_storage_type = "gp3"
 use_nginx = true
diff --git a/2026-RIKEN/infrastructure/dry-run/helm-config.yaml b/2026-RIKEN/infrastructure/dry-run/helm-config.yaml
index e48e33d..1ca4185 100644
--- a/2026-RIKEN/infrastructure/dry-run/helm-config.yaml
+++ b/2026-RIKEN/infrastructure/dry-run/helm-config.yaml
@@ -10,7 +10,7 @@ hub:
   config:
     # Define a password for login
     DummyAuthenticator:
-      password: hpctutorial25
+      password: hpctutorial26
     JupyterHub:
       admin_access: true
       authenticator_class: dummy
diff --git a/2026-RIKEN/infrastructure/production/config.toml b/2026-RIKEN/infrastructure/production/config.toml
index 06ce945..d81c4ab 100644
--- a/2026-RIKEN/infrastructure/production/config.toml
+++ b/2026-RIKEN/infrastructure/production/config.toml
@@ -32,7 +32,7 @@ memory_min = "600Mi"
 
 [aws.Helm]
 max_concurrent_users = 30
-hub_password = "hpctutorial25"
+hub_password = "hpctutorial26"
 hub_db_capacity = "32Gi"
 ebs_storage_type = "gp3"
 use_nginx = true
diff --git a/2026-RIKEN/infrastructure/production/helm-config.yaml b/2026-RIKEN/infrastructure/production/helm-config.yaml
index c36ea3b..5c3aef8 100644
--- a/2026-RIKEN/infrastructure/production/helm-config.yaml
+++ b/2026-RIKEN/infrastructure/production/helm-config.yaml
@@ -10,7 +10,7 @@ hub:
   config:
     # Define a password for login
     DummyAuthenticator:
-      password: hpctutorial25
+      password: hpctutorial26
     JupyterHub:
       admin_access: true
       authenticator_class: dummy