diff --git a/build-aux/org.gnome.Fractal.Devel.json b/build-aux/org.gnome.Fractal.Devel.json
index 423c018e..eba85e71 100644
--- a/build-aux/org.gnome.Fractal.Devel.json
+++ b/build-aux/org.gnome.Fractal.Devel.json
@@ -41,9 +41,9 @@
             ],
             "sources": [
                 {
-                    "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/libshumate/",
-                    "tag": "1.0.3"
+                    "type": "archive",
+                    "url": "https://download.gnome.org/sources/libshumate/1.0/libshumate-1.0.3.tar.xz",
+                    "sha256": "77a192f0dfec082b8de20b1939f3adf03eed41114d49fdaae2bbb2729ceb015a"
                 }
             ]
         },
diff --git a/build-aux/org.gnome.Fractal.Hack.json b/build-aux/org.gnome.Fractal.Hack.json
index 361c55c3..34638f83 100644
--- a/build-aux/org.gnome.Fractal.Hack.json
+++ b/build-aux/org.gnome.Fractal.Hack.json
@@ -47,9 +47,9 @@
             ],
             "sources": [
                 {
-                    "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/libshumate/",
-                    "tag": "1.0.3"
+                    "type": "archive",
+                    "url": "https://download.gnome.org/sources/libshumate/1.0/libshumate-1.0.3.tar.xz",
+                    "sha256": "77a192f0dfec082b8de20b1939f3adf03eed41114d49fdaae2bbb2729ceb015a"
                 }
             ]
         },