diff --git a/RadialHeatShields/RadialHeatShields-1.0.99.0-adoption.ckan b/RadialHeatShields/RadialHeatShields-1.0.99.0-adoption.ckan
index 9dff0319c1..8440147123 100644
--- a/RadialHeatShields/RadialHeatShields-1.0.99.0-adoption.ckan
+++ b/RadialHeatShields/RadialHeatShields-1.0.99.0-adoption.ckan
@@ -10,7 +10,7 @@
     "version": "1.0.99.0-adoption",
     "ksp_version_min": "1.3.1",
     "ksp_version_max": "1.12.3",
-    "license": "CC-BY-SA-3.0",
+    "license": "CC-BY-SA-4.0",
     "resources": {
         "homepage": "https://forum.kerbalspaceprogram.com/index.php?/topic/207080-*/",
         "spacedock": "https://spacedock.info/mod/2988/Radial%20Heat%20Shields%20(RHS)",