diff --git a/org.telegram.desktop.yml b/org.telegram.desktop.yml
index 4e98b0e..0aa4e8c 100644
--- a/org.telegram.desktop.yml
+++ b/org.telegram.desktop.yml
@@ -345,8 +345,8 @@ modules:
       - -Dtests=false
     sources:
       - type: archive
-        url: https://download.gnome.org/sources/glib/2.78/glib-2.78.3.tar.xz
-        sha256: 609801dd373796e515972bf95fc0b2daa44545481ee2f465c4f204d224b2bc21
+        url: https://download.gnome.org/sources/glib/2.78/glib-2.78.4.tar.xz
+        sha256: 24b8e0672dca120cc32d394bccb85844e732e04fe75d18bb0573b2dbc7548f63
         x-checker-data:
           type: gnome
           name: glib