diff --git a/Deployment/azuredeploy.json b/Deployment/azuredeploy.json
index 2dade936a..e282c73e4 100644
--- a/Deployment/azuredeploy.json
+++ b/Deployment/azuredeploy.json
@@ -136,7 +136,7 @@
     "appIconUrl": {
       "type": "string",
       "minLength": 1,
-      "defaultValue": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/master/Manifest/color.png",
+      "defaultValue": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/main/Manifest/color.png",
       "metadata": {
         "description": "The link to the icon for the app. It must resolve to a PNG file."
       }
@@ -193,7 +193,7 @@
       "metadata": {
         "description": "The branch of the GitHub repository to deploy."
       },
-      "defaultValue": "master"
+      "defaultValue": "main"
     },
     "serviceBusWebAppRoleNameGuid": {
       "defaultValue": "958380b3-630d-4823-b933-f59d92cdcada",
diff --git a/Deployment/azuredeploywithcert.json b/Deployment/azuredeploywithcert.json
index a3d8fcfc2..b59d5b31d 100644
--- a/Deployment/azuredeploywithcert.json
+++ b/Deployment/azuredeploywithcert.json
@@ -142,7 +142,7 @@
     "appIconUrl": {
       "type": "string",
       "minLength": 1,
-      "defaultValue": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/master/Manifest/color.png",
+      "defaultValue": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/main/Manifest/color.png",
       "metadata": {
         "description": "The link to the icon for the app. It must resolve to a PNG file."
       }
@@ -199,7 +199,7 @@
       "metadata": {
         "description": "The branch of the GitHub repository to deploy."
       },
-      "defaultValue": "master"
+      "defaultValue": "main"
     },
     "serviceBusWebAppRoleNameGuid": {
       "defaultValue": "958380b3-630d-4823-b933-f59d92cdcada",
diff --git a/Deployment/parameters.json b/Deployment/parameters.json
index 7b2f73eca..17625dbd0 100644
--- a/Deployment/parameters.json
+++ b/Deployment/parameters.json
@@ -112,7 +112,7 @@
     "Description": "The URL to the GitHub repository to deploy."
   },
   "gitBranch": {
-    "Value": "master",
+    "Value": "main",
     "Description": "The branch of the GitHub repository to deploy."
   },
   "appDisplayName": {
@@ -124,7 +124,7 @@
     "Description": "The app (and bot) description."
   },
   "appIconUrl": {
-    "Value": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/master/Manifest/color.png",
+    "Value": "https://raw.githubusercontent.com/OfficeDev/microsoft-teams-company-communicator-app/main/Manifest/color.png",
     "Description": "The link to the icon for the app. It must resolve to a PNG file."
   },
   "companyName": {
@@ -143,4 +143,4 @@
     "Value": "<<value>>",
     "Description": "The https:// URL to the company's terms of use."
   }
-}
\ No newline at end of file
+}