diff --git a/serverless-configs/env.yml b/serverless-configs/env.yml
index d671212a5..c845b077b 100644
--- a/serverless-configs/env.yml
+++ b/serverless-configs/env.yml
@@ -27,7 +27,7 @@ default_env: &default_env
     lambdaTimeout: ${env:LAMBDA_TIMEOUT, '30'}
 
     # Pinned UMM versions
-    ummCollectionVersion: '1.18.0'
+    ummCollectionVersion: '1.18.1'
     ummGranuleVersion: '1.6.5'
     ummOrderOptionVersion: '1.0.0'
     ummServiceVersion: '1.5.3'