diff --git a/bucket/chsrc.json b/bucket/chsrc.json
index 1962370b24e42..3a0badb73f905 100644
--- a/bucket/chsrc.json
+++ b/bucket/chsrc.json
@@ -29,10 +29,10 @@
     "autoupdate": {
         "architecture": {
             "64bit": {
-                "url": "https://github.com/RubyMetric/chsrc/releases/download/$version/chsrc-x64-windows.exe"
+                "url": "https://github.com/RubyMetric/chsrc/releases/download/v$version/chsrc-x64-windows.exe"
             },
             "32bit": {
-                "url": "https://github.com/RubyMetric/chsrc/releases/download/$version/chsrc-x86-windows.exe"
+                "url": "https://github.com/RubyMetric/chsrc/releases/download/v$version/chsrc-x86-windows.exe"
             }
         }
     }