diff --git a/extra/libwebp/sources b/extra/libwebp/sources
index ec5ba057..42ff593a 100644
--- a/extra/libwebp/sources
+++ b/extra/libwebp/sources
@@ -1 +1 @@
-http://downloads.webmproject.org/releases/webp/libwebp-VERSION.tar.gz
+https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-VERSION.tar.gz