diff --git a/portainer/docker-compose.yml b/portainer/docker-compose.yml
index 0be8285a66..a773af5ad4 100644
--- a/portainer/docker-compose.yml
+++ b/portainer/docker-compose.yml
@@ -27,7 +27,7 @@ services:
       - ${APP_DATA_DIR}/data/docker:/data
 
   portainer:
-    image: portainer/portainer-ce:2.21.4@sha256:f2a7f5abd4735f9cd91563c6134e014b15168c4018beea87f1eec9d9618b2ad4
+    image: portainer/portainer-ce:2.21.5@sha256:bd8f7a6d98e2a512e18272c38914abd1e92d663451f3c925d502a8557a3b92d7
     command: --host unix:///var/run/docker.sock --admin-password-file=/default-password
     restart: on-failure
     volumes:
diff --git a/portainer/umbrel-app.yml b/portainer/umbrel-app.yml
index e8a1871d48..5adf3d7d5e 100644
--- a/portainer/umbrel-app.yml
+++ b/portainer/umbrel-app.yml
@@ -2,7 +2,7 @@ manifestVersion: 1
 id: portainer
 category: developer
 name: Portainer
-version: "2.21.4"
+version: "2.21.5"
 tagline: Run custom Docker containers on your Umbrel
 description: >-
   ⚠️ Make sure to only use named Docker volumes for your stacks and containers. Data in bind-mounted volumes
@@ -52,10 +52,10 @@ defaultUsername: "admin"
 defaultPassword: "changeme"
 releaseNotes: >-
   This update includes improvements to stability and performance:
-
-    - Improved Edge environment status monitoring and error reporting
-    - Enhanced service management for Docker Swarm environments
-    - Added compatibility improvements for future Docker versions
+    - Fixed container port mapping when editing or duplicating containers
+    - Improved Git repository space usage optimization
+    - Enhanced backup process reliability
+    - Fixed image building and pulling issues
 
 
   Full release notes are found at https://github.com/portainer/portainer/releases.