diff --git a/VERSION b/VERSION
index 097a15a2..ec1cf33c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.2
+2.6.3
diff --git a/docker/docker-compose.deployment.yml b/docker/docker-compose.deployment.yml
index 92b59aef..f62855d1 100644
--- a/docker/docker-compose.deployment.yml
+++ b/docker/docker-compose.deployment.yml
@@ -3,5 +3,15 @@ services:
   entity-api: 
     # Use the published image and tag from DockerHub
     image: hubmap/entity-api:${ENTITY_API_VERSION:?err}
+    # Setting CPU and Memory Limits - Zhou 10/9/2025
+    deploy:
+      # PROD VM c5.4xlarge - 16 CPUs 32G RAM
+      resources:
+        limits:
+          cpus: '8' # 50%
+          memory: 19.2G # 60%
+        reservations:
+          cpus: '4' # 25%
+          memory: 12.8G # 40%
 
 
diff --git a/docker/docker-compose.development.yml b/docker/docker-compose.development.yml
index 3d2fa610..ccd14563 100644
--- a/docker/docker-compose.development.yml
+++ b/docker/docker-compose.development.yml
@@ -12,6 +12,16 @@ services:
     # Build the image with name and tag
     # Exit with an error message containing err if unset or empty in the environment
     image: hubmap/entity-api:${ENTITY_API_VERSION:?err}
+    # Setting CPU and Memory Limits - Zhou 10/9/2025
+    deploy:
+      # DEV/TEST VM t3.xlarge - 4 CPUs 16G RAM
+      resources:
+        limits:
+          cpus: '2' # 50%
+          memory: 9.6G # 60%
+        reservations:
+          cpus: '1' # 25%
+          memory: 6.4G # 40%
     volumes:  
       # Mount the VERSION file and BUILD file 
       - "../VERSION:/usr/src/app/VERSION"