diff --git a/sm.puri.Calls.json b/sm.puri.Calls.json
index 8365ea8..c4501d4 100644
--- a/sm.puri.Calls.json
+++ b/sm.puri.Calls.json
@@ -244,8 +244,8 @@
             "sources" : [
                 {
                     "type" : "archive",
-                    "url" : "https://download.gnome.org/sources/folks/0.13/folks-0.13.2.tar.xz",
-                    "sha256" : "0263d6b8de41acabbc95e9a2418374271fb649412a1de3e3ef6ad4a3a5270173"
+                    "url" : "https://download-fallback.gnome.org/sources/folks/0.15/folks-0.15.2.tar.xz",
+                    "sha256" : "ef777b2696d15ec31ba8b940ecabc17fe7fab909584f9425258f54d295ccd122"
                 }
             ]
         },