diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 49dc947512..b8aed9dfaa 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -11,6 +11,7 @@ pr:
     include:
     - azure-pipelines.yml
     - src/*
+    - schemas/JSON/manifests/*
 
 pool:
   vmImage: 'windows-latest'
diff --git a/schemas/JSON/manifests/v1.4.0/manifest.defaultLocale.1.4.0.json b/schemas/JSON/manifests/v1.4.0/manifest.defaultLocale.1.4.0.json
index 5f4f38468d..6822d3e702 100644
--- a/schemas/JSON/manifests/v1.4.0/manifest.defaultLocale.1.4.0.json
+++ b/schemas/JSON/manifests/v1.4.0/manifest.defaultLocale.1.4.0.json
@@ -56,7 +56,7 @@
   "properties": {
     "PackageIdentifier": {
       "type": "string",
-      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,3}$",
+      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,7}$",
       "maxLength": 128,
       "description": "The package unique identifier"
     },
diff --git a/schemas/JSON/manifests/v1.4.0/manifest.installer.1.4.0.json b/schemas/JSON/manifests/v1.4.0/manifest.installer.1.4.0.json
index ca41f4f689..1f4475e977 100644
--- a/schemas/JSON/manifests/v1.4.0/manifest.installer.1.4.0.json
+++ b/schemas/JSON/manifests/v1.4.0/manifest.installer.1.4.0.json
@@ -5,7 +5,7 @@
   "definitions": {
     "PackageIdentifier": {
       "type": "string",
-      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,3}$",
+      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,7}$",
       "maxLength": 128,
       "description": "The package unique identifier"
     },
diff --git a/schemas/JSON/manifests/v1.4.0/manifest.locale.1.4.0.json b/schemas/JSON/manifests/v1.4.0/manifest.locale.1.4.0.json
index 5ff3318103..46be2e3fdf 100644
--- a/schemas/JSON/manifests/v1.4.0/manifest.locale.1.4.0.json
+++ b/schemas/JSON/manifests/v1.4.0/manifest.locale.1.4.0.json
@@ -56,7 +56,7 @@
   "properties": {
     "PackageIdentifier": {
       "type": "string",
-      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,3}$",
+      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,7}$",
       "maxLength": 128,
       "description": "The package unique identifier"
     },
diff --git a/schemas/JSON/manifests/v1.4.0/manifest.singleton.1.4.0.json b/schemas/JSON/manifests/v1.4.0/manifest.singleton.1.4.0.json
index 3c76c764e4..51bbbbf630 100644
--- a/schemas/JSON/manifests/v1.4.0/manifest.singleton.1.4.0.json
+++ b/schemas/JSON/manifests/v1.4.0/manifest.singleton.1.4.0.json
@@ -5,7 +5,7 @@
   "definitions": {
     "PackageIdentifier": {
       "type": "string",
-      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,3}$",
+      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,7}$",
       "maxLength": 128,
       "description": "The package unique identifier"
     },
diff --git a/schemas/JSON/manifests/v1.4.0/manifest.version.1.4.0.json b/schemas/JSON/manifests/v1.4.0/manifest.version.1.4.0.json
index 1415a03847..2ca282ebe3 100644
--- a/schemas/JSON/manifests/v1.4.0/manifest.version.1.4.0.json
+++ b/schemas/JSON/manifests/v1.4.0/manifest.version.1.4.0.json
@@ -6,7 +6,7 @@
   "properties": {
     "PackageIdentifier": {
       "type": "string",
-      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,3}$",
+      "pattern": "^[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}(\\.[^\\.\\s\\\\/:\\*\\?\"<>\\|\\x01-\\x1f]{1,32}){1,7}$",
       "maxLength": 128,
       "description": "The package unique identifier"
     },