diff --git a/packages/util-endpoints/src/lib/aws/partitions.json b/packages/util-endpoints/src/lib/aws/partitions.json
index ab107ca5511c..f376f6908aaf 100644
--- a/packages/util-endpoints/src/lib/aws/partitions.json
+++ b/packages/util-endpoints/src/lib/aws/partitions.json
@@ -50,6 +50,9 @@
       "ca-central-1" : {
         "description" : "Canada (Central)"
       },
+      "ca-west-1" : {
+        "description" : "Canada West (Calgary)"
+      },
       "eu-central-1" : {
         "description" : "Europe (Frankfurt)"
       },