diff --git a/build_sys/tm_legacy.legacy.xml b/build_sys/tm_legacy.legacy.xml
index d2a479d..5de8e06 100644
--- a/build_sys/tm_legacy.legacy.xml
+++ b/build_sys/tm_legacy.legacy.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
+<gupdate xmlns='https://www.google.com/update2/response' protocol='2.0'>
   <app appid='bnimknkampfeeemccidiigealnpoheap'>
-    <updatecheck codebase='http://tampermonkey.net/crx/tm_legacy.crx' version='2.5.0'/>
+    <updatecheck codebase='https://tampermonkey.net/crx/tm_legacy.crx' version='2.5.0'/>
   </app>
 </gupdate>