diff --git a/index.js b/index.js
index 2b9a1fa..d8a0dd0 100644
--- a/index.js
+++ b/index.js
@@ -1553,8 +1553,8 @@ ContainerWindow.prototype = {
 exports.main = function (options) {
   const installation = options.loadReason === "install" ||
                        options.loadReason === "downgrade" ||
-                       options.loadReason === "enable" ||
-                       options.loadReason === "upgrade";
+                       options.loadReason === "enable";
+                       // TODO check if we need this also options.loadReason === "upgrade";
 
   // Let's start :)
   ContainerService.init(installation);
@@ -1563,8 +1563,8 @@ exports.main = function (options) {
 exports.onUnload = function (reason) {
   if (reason === "disable" ||
       reason === "downgrade" ||
-      reason === "uninstall" ||
-      reason === "upgrade") {
+      reason === "uninstall") {
+// TODO check if we need this reason === "upgrade") {
     ContainerService.uninstall();
   }
 };
diff --git a/package.json b/package.json
index fe06cbf..371e837 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "testpilot-containers",
   "title": "Containers Experiment",
   "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
-  "version": "1.1.1",
+  "version": "1.1.3",
   "author": "Andrea Marchesini, Luke Crouch and Jonathan Kingston",
   "bugs": {
     "url": "https://github.com/mozilla/testpilot-containers/issues"
diff --git a/webextension/manifest.json b/webextension/manifest.json
index 8b0dee7..3274a4b 100644
--- a/webextension/manifest.json
+++ b/webextension/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "Containers Experiment",
-  "version": "1.1.1",
+  "version": "1.1.3",
 
   "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
   "icons": {