diff --git a/packages/cli/configs/atk/basic/csharp/TeamsApp/appPackage/manifest.json.hbs b/packages/cli/configs/atk/basic/csharp/TeamsApp/appPackage/manifest.json.hbs
index a9470c77e..ca10dbe80 100644
--- a/packages/cli/configs/atk/basic/csharp/TeamsApp/appPackage/manifest.json.hbs
+++ b/packages/cli/configs/atk/basic/csharp/TeamsApp/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/python/ai/appPackage/manifest.json.hbs b/packages/cli/templates/python/ai/appPackage/manifest.json.hbs
index 7daa5ffe5..3be6b8a30 100644
--- a/packages/cli/templates/python/ai/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/python/ai/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/python/echo/appPackage/manifest.json.hbs b/packages/cli/templates/python/echo/appPackage/manifest.json.hbs
index 3a2ce4693..4c97c274d 100644
--- a/packages/cli/templates/python/echo/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/python/echo/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/python/graph/appPackage/manifest.json.hbs b/packages/cli/templates/python/graph/appPackage/manifest.json.hbs
index cdb60e722..2b757f797 100644
--- a/packages/cli/templates/python/graph/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/python/graph/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/ai/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/ai/appPackage/manifest.json.hbs
index 76db47458..ae8e6a257 100644
--- a/packages/cli/templates/typescript/ai/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/ai/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/echo/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/echo/appPackage/manifest.json.hbs
index a9470c77e..ca10dbe80 100644
--- a/packages/cli/templates/typescript/echo/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/echo/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/graph/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/graph/appPackage/manifest.json.hbs
index ab590bf6a..92d686e81 100644
--- a/packages/cli/templates/typescript/graph/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/graph/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -51,5 +51,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/mcp/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/mcp/appPackage/manifest.json.hbs
index a9470c77e..ca10dbe80 100644
--- a/packages/cli/templates/typescript/mcp/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/mcp/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/mcpclient/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/mcpclient/appPackage/manifest.json.hbs
index 3bb04f25c..474e58002 100644
--- a/packages/cli/templates/typescript/mcpclient/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/mcpclient/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -50,5 +50,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }
diff --git a/packages/cli/templates/typescript/tab/appPackage/manifest.json.hbs b/packages/cli/templates/typescript/tab/appPackage/manifest.json.hbs
index c611f956d..9e1c1b95e 100644
--- a/packages/cli/templates/typescript/tab/appPackage/manifest.json.hbs
+++ b/packages/cli/templates/typescript/tab/appPackage/manifest.json.hbs
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.20/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.25/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.20",
+  "manifestVersion": "1.25",
   "id": "$\{{TEAMS_APP_ID}}",
   "name": {
     "short": "{{ toKebabCase name }}-$\{{APP_NAME_SUFFIX}}",
@@ -58,5 +58,6 @@
   "webApplicationInfo": {
     "id": "$\{{BOT_ID}}",
     "resource": "api://botid-$\{{BOT_ID}}"
-  }
+  },
+  "supportsChannelFeatures": "tier1"
 }