diff --git a/desktop/app/src/utils/__tests__/processConfig.node.js b/desktop/app/src/utils/__tests__/processConfig.node.js
index 42f1cc381..40fb22db3 100644
--- a/desktop/app/src/utils/__tests__/processConfig.node.js
+++ b/desktop/app/src/utils/__tests__/processConfig.node.js
@@ -43,7 +43,7 @@ test('config is decoded from env with defaults', () => {
     pluginPaths: [],
     lastWindowPosition: undefined,
     launcherMsg: undefined,
-    updaterEnabled: true,
+    updaterEnabled: false,
     screenCapturePath: undefined,
     launcherEnabled: true,
   });
diff --git a/desktop/app/src/utils/processConfig.tsx b/desktop/app/src/utils/processConfig.tsx
index 2d2bc1dc7..a3d0d6e9c 100644
--- a/desktop/app/src/utils/processConfig.tsx
+++ b/desktop/app/src/utils/processConfig.tsx
@@ -36,8 +36,8 @@ export default function config(): ProcessConfig {
       pluginPaths: json.pluginPaths || [],
       lastWindowPosition: json.lastWindowPosition,
       launcherMsg: json.launcherMsg,
-      updaterEnabled:
-        typeof json.updaterEnabled === 'boolean' ? json.updaterEnabled : true,
+      // TODO(T64836070): The built-in updater is disabled as we don't have a strategy for signing prod builds right now.
+      updaterEnabled: false,
       screenCapturePath: json.screenCapturePath,
       launcherEnabled:
         typeof json.launcherEnabled === 'boolean' ? json.launcherEnabled : true,