diff --git a/beastify/manifest.json b/beastify/manifest.json
index e322c84..45d990e 100644
--- a/beastify/manifest.json
+++ b/beastify/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "beastify@mozilla.org"
+      "id": "beastify@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
 
diff --git a/borderify/manifest.json b/borderify/manifest.json
index 66ffed4..44a188f 100644
--- a/borderify/manifest.json
+++ b/borderify/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "borderify@mozilla.org"
+      "id": "borderify@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
 
diff --git a/notify-link-clicks-i18n/manifest.json b/notify-link-clicks-i18n/manifest.json
index 9e0ca1a..fbf5f00 100644
--- a/notify-link-clicks-i18n/manifest.json
+++ b/notify-link-clicks-i18n/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "notify-link-clicks-i18n@mozilla.org"
+      "id": "notify-link-clicks-i18n@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
 
diff --git a/notify-link-clicks/manifest.json b/notify-link-clicks/manifest.json
index 8e1bec1..556e934 100644
--- a/notify-link-clicks/manifest.json
+++ b/notify-link-clicks/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "notify-link-clicks@mozilla.org"
+      "id": "notify-link-clicks@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
   
diff --git a/open-my-page-button/manifest.json b/open-my-page-button/manifest.json
index b62e559..0d8815f 100644
--- a/open-my-page-button/manifest.json
+++ b/open-my-page-button/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "open-my-page-button@mozilla.org"
+      "id": "open-my-page-button@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
 
diff --git a/page-to-extension-messaging/manifest.json b/page-to-extension-messaging/manifest.json
index a9f7235..bbbd458 100644
--- a/page-to-extension-messaging/manifest.json
+++ b/page-to-extension-messaging/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "page-to-extension-messaging@mozilla.org"
+      "id": "page-to-extension-messaging@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },
 
diff --git a/user-agent-rewriter/manifest.json b/user-agent-rewriter/manifest.json
index 92b5f7e..f8bec37 100644
--- a/user-agent-rewriter/manifest.json
+++ b/user-agent-rewriter/manifest.json
@@ -11,7 +11,8 @@
 
   "applications": {
     "gecko": {
-      "id": "user-agent-rewriter@mozilla.org"
+      "id": "user-agent-rewriter@mozilla.org",
+      "strict_min_version": "45.0.0"
     }
   },