diff --git a/canvasblocker.xpi b/canvasblocker.xpi
index a3d4479..ea19865 100644
Binary files a/canvasblocker.xpi and b/canvasblocker.xpi differ
diff --git a/package.json b/package.json
index 6b3623d..9881f16 100644
--- a/package.json
+++ b/package.json
@@ -172,8 +172,8 @@
 	"version": "0.3.7-Release",
 	
 	"engines": {
-		"firefox": ">=45.7.0",
-		"fennec": ">=45.7.0"
+		"firefox": ">=45.0a1",
+		"fennec": ">=45.0"
 	},
 	"permissions": {
 		"private-browsing": true,