diff --git a/manifest.json b/manifest.json
index a341f09..e1842f5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,7 +8,7 @@
   "browser_specific_settings": {
   "gecko": {
     "id": "tensor@arrayinamatrix.xyz",
-    "strict_min_version": "42.0"
+    "strict_min_version": "48.0"
   }
 },