diff --git a/src/system.json b/src/system.json
index 906e8b93..9c8ee7f0 100644
--- a/src/system.json
+++ b/src/system.json
@@ -4,7 +4,7 @@
     "description": "The Dungeonslayers 4 system for FoundryVTT. Dungeonslayers by Christian Kennig is licensed under CC BY-NC-SA 3.0 (https://creativecommons.org/licenses/by-nc-sa/3.0/). The icons by the authors of Game-icons.net are licensed under CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/). The token images by Devin Night (https://immortalnights.com/) and are licensed under the terms described at https://immortalnights.com/tokens/token-usage-rights/.",
     "version": "1.3.0",
     "minimumCoreVersion": "0.8.8",
-    "compatibleCoreVersion": "0.8.8",
+    "compatibleCoreVersion": "0.8.9",
     "author": "Johannes Loher, Gesina Schwalbe, Oliver Rümpelein, Siegfried Krug, Max Tharr, Sascha Martens",
     "authors": [
         {