diff --git a/README.md b/README.md
index 5a052177..a9b403da 100644
--- a/README.md
+++ b/README.md
@@ -251,7 +251,7 @@ Once you are finished with the reference architecture, you can remove all provis
 |------|--------|---------|
 | base | ./modules/base | n/a |
 | github | ./modules/github | n/a |
-| github\_app | github.com/humanitec-architecture/shared-terraform-modules | v2024-06-12//modules/github-app |
+| github\_app | github.com/humanitec-architecture/shared-terraform-modules//modules/github-app | v2024-06-12 |
 | portal\_backstage | ./modules/portal-backstage | n/a |
 
 ### Resources
diff --git a/main.tf b/main.tf
index 2d24254d..16800be5 100644
--- a/main.tf
+++ b/main.tf
@@ -54,7 +54,7 @@ locals {
 module "github_app" {
   count = var.with_backstage ? 1 : 0
 
-  source = "github.com/humanitec-architecture/shared-terraform-modules?ref=v2024-06-12//modules/github-app"
+  source = "github.com/humanitec-architecture/shared-terraform-modules//modules/github-app?ref=v2024-06-12"
 
   credentials_file = "${path.module}/${local.github_app_credentials_file}"
 }
diff --git a/modules/htc_res_defs/README.md b/modules/htc_res_defs/README.md
index 6d96fb3e..5dbf3670 100644
--- a/modules/htc_res_defs/README.md
+++ b/modules/htc_res_defs/README.md
@@ -16,8 +16,8 @@
 
 | Name | Source | Version |
 |------|--------|---------|
-| default\_mysql | github.com/humanitec-architecture/resource-packs-in-cluster | v2024-06-05//humanitec-resource-defs/mysql/basic |
-| default\_postgres | github.com/humanitec-architecture/resource-packs-in-cluster | v2024-06-05//humanitec-resource-defs/postgres/basic |
+| default\_mysql | github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/mysql/basic | v2024-06-05 |
+| default\_postgres | github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/postgres/basic | v2024-06-05 |
 
 ### Resources
 
diff --git a/modules/htc_res_defs/main.tf b/modules/htc_res_defs/main.tf
index 426ac5f9..5c61b9e0 100644
--- a/modules/htc_res_defs/main.tf
+++ b/modules/htc_res_defs/main.tf
@@ -49,7 +49,7 @@ resource "humanitec_resource_definition_criteria" "k8s_namespace" {
 # in-cluster postgres
 
 module "default_postgres" {
-  source = "github.com/humanitec-architecture/resource-packs-in-cluster?ref=v2024-06-05//humanitec-resource-defs/postgres/basic"
+  source = "github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/postgres/basic?ref=v2024-06-05"
 
   prefix = var.prefix
 }
@@ -63,7 +63,7 @@ resource "humanitec_resource_definition_criteria" "default_postgres" {
 }
 
 module "default_mysql" {
-  source = "github.com/humanitec-architecture/resource-packs-in-cluster?ref=v2024-06-05//humanitec-resource-defs/mysql/basic"
+  source = "github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/mysql/basic?ref=v2024-06-05"
 
   prefix = var.prefix
 }
diff --git a/modules/portal-backstage/README.md b/modules/portal-backstage/README.md
index a2ceb9ba..8625da60 100644
--- a/modules/portal-backstage/README.md
+++ b/modules/portal-backstage/README.md
@@ -17,8 +17,8 @@
 
 | Name | Source | Version |
 |------|--------|---------|
-| backstage\_postgres | github.com/humanitec-architecture/resource-packs-in-cluster | v2024-06-05//humanitec-resource-defs/postgres/basic |
-| portal\_backstage | github.com/humanitec-architecture/shared-terraform-modules | v2024-06-12//modules/portal-backstage |
+| backstage\_postgres | github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/postgres/basic | v2024-06-05 |
+| portal\_backstage | github.com/humanitec-architecture/shared-terraform-modules//modules/portal-backstage | v2024-06-12 |
 
 ### Resources
 
diff --git a/modules/portal-backstage/main.tf b/modules/portal-backstage/main.tf
index fe374441..7468b6e0 100644
--- a/modules/portal-backstage/main.tf
+++ b/modules/portal-backstage/main.tf
@@ -20,7 +20,7 @@ locals {
 }
 
 module "portal_backstage" {
-  source = "github.com/humanitec-architecture/shared-terraform-modules?ref=v2024-06-12//modules/portal-backstage"
+  source = "github.com/humanitec-architecture/shared-terraform-modules//modules/portal-backstage?ref=v2024-06-12"
 
   cloud_provider = "gcp"
 
@@ -45,7 +45,7 @@ locals {
 # in-cluster postgres
 
 module "backstage_postgres" {
-  source = "github.com/humanitec-architecture/resource-packs-in-cluster?ref=v2024-06-05//humanitec-resource-defs/postgres/basic"
+  source = "github.com/humanitec-architecture/resource-packs-in-cluster//humanitec-resource-defs/postgres/basic?ref=v2024-06-05"
 
   prefix = local.res_def_prefix
 }