diff --git a/org.gnome.Builder.json b/org.gnome.Builder.json
index c06591e..9cd303e 100644
--- a/org.gnome.Builder.json
+++ b/org.gnome.Builder.json
@@ -534,7 +534,7 @@
                 {
                     "type" : "git",
                     "url" : "https://github.com/flatpak/flatpak-builder.git",
-                    "tag" : "1.3.5"
+                    "tag" : "1.4.3"
                 }
             ]
         },