diff --git a/appveyor.yml b/appveyor.yml
index e8959da..07dbc35 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,7 +7,7 @@ shallow_clone: true
 
 environment:
   LR_EXTERNAL: c:\external
-  CURL_VER: 7.62.0
+  CURL_VER: 7.63.0
 
   matrix:
   - LUA: "lua 5.1"