diff --git a/nl.hjdskes.gcolor3.json b/nl.hjdskes.gcolor3.json
index 1a3b2c6..b2bc2d5 100644
--- a/nl.hjdskes.gcolor3.json
+++ b/nl.hjdskes.gcolor3.json
@@ -2,7 +2,7 @@
     "app-id": "nl.hjdskes.gcolor3",
 
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.26",
+    "runtime-version": "3.28",
     "sdk": "org.gnome.Sdk",
 
     "command": "gcolor3",