diff --git a/build-aux/flatpak/org.gtk.Demo4.json b/build-aux/flatpak/org.gtk.Demo4.json
index e009182e63..38d9a641c4 100644
--- a/build-aux/flatpak/org.gtk.Demo4.json
+++ b/build-aux/flatpak/org.gtk.Demo4.json
@@ -164,6 +164,21 @@
                 }
             ]
         },
+        {
+            "name" : "pango",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
+                "--libdir=/app/lib"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
+                    "branch" : "main"
+                }
+            ]
+        },
         {
             "name" : "gtk",
             "buildsystem" : "meson",
diff --git a/build-aux/flatpak/org.gtk.IconBrowser4.json b/build-aux/flatpak/org.gtk.IconBrowser4.json
index 49a0c2a308..a303812a81 100644
--- a/build-aux/flatpak/org.gtk.IconBrowser4.json
+++ b/build-aux/flatpak/org.gtk.IconBrowser4.json
@@ -93,6 +93,21 @@
                 }
             ]
         },
+        {
+            "name" : "pango",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
+                "--libdir=/app/lib"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
+                    "branch" : "main"
+                }
+            ]
+        },
         {
             "name" : "gtk",
             "buildsystem" : "meson",
diff --git a/build-aux/flatpak/org.gtk.WidgetFactory4.json b/build-aux/flatpak/org.gtk.WidgetFactory4.json
index e9893bb0d5..dbe1458299 100644
--- a/build-aux/flatpak/org.gtk.WidgetFactory4.json
+++ b/build-aux/flatpak/org.gtk.WidgetFactory4.json
@@ -93,6 +93,21 @@
                 }
             ]
         },
+        {
+            "name" : "pango",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
+                "--libdir=/app/lib"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
+                    "branch" : "main"
+                }
+            ]
+        },
         {
             "name" : "gtk",
             "buildsystem" : "meson",