diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e3a26d..dda2a6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,3 +36,9 @@
   - promote to 1.0.0
   - add documentation for //tags
   - prep some new tags
+
+- 1.0.1 -- 2026-06-02
+  - base-label
+    - change iam-admin-user to admin_user
+    - change iam-service-user to service_account
+    - change iam-user to user
diff --git a/base-label/prefixes.yml b/base-label/prefixes.yml
index dccba1f..8dae9ef 100644
--- a/base-label/prefixes.yml
+++ b/base-label/prefixes.yml
@@ -1,4 +1,5 @@
 prefixes:
+  admin_user: a
   customer-gateway: cgw
   dhcp-options:                
   ebs: v-ebs
@@ -14,9 +15,9 @@ prefixes:
   eks-user: s-eks
   elastic-ip: eip
   group: g
-  iam-admin-user: a
-  iam-service-user: s
-  iam-user: u
+#  iam-admin-user: a
+#  iam-service-user: s
+#  iam-user: u
   internet-gateway: igw
   kms: k-kms
   log-group: lg
@@ -28,12 +29,14 @@ prefixes:
   route-table: route
   s3: v-s3
   security-group: 
+  service_account: s
   subnet:           
   transit-gateway-attachment: tgwa
   transit-gateway-peer: tgwp
   transit-gateway-route-table: tgwr
   transit-gateway: tgw
   transit-gateway-vpn: tgwv
+  user: u
   vpc:              
   vpc-endpoint: vpce
   vpc-peer: vpcp
diff --git a/common/version.tf b/common/version.tf
index 0e73a9d..3d6a7f4 100644
--- a/common/version.tf
+++ b/common/version.tf
@@ -1,4 +1,4 @@
 locals {
-  _module_version = "1.0.0"
+  _module_version = "1.0.1"
   _module_name    = "boc-nts"
 }