diff --git a/IDFlagsandDecals/IDFlagsandDecals-1.0.0.ckan b/IDFlagsandDecals/IDFlagsandDecals-1.0.0.ckan
index 78f2e0ec48..28ca90e855 100644
--- a/IDFlagsandDecals/IDFlagsandDecals-1.0.0.ckan
+++ b/IDFlagsandDecals/IDFlagsandDecals-1.0.0.ckan
@@ -11,6 +11,11 @@
     },
     "version": "1.0.0",
     "ksp_version": "1.4.2",
+    "depends": [
+        {
+            "name": "ModuleManager"
+        }
+    ],
     "recommends": [
         {
             "name": "DecalStickers"
diff --git a/IDFlagsandDecals/IDFlagsandDecals-1.1.0.ckan b/IDFlagsandDecals/IDFlagsandDecals-1.1.0.ckan
index 8de8f2a549..4e39456f9a 100644
--- a/IDFlagsandDecals/IDFlagsandDecals-1.1.0.ckan
+++ b/IDFlagsandDecals/IDFlagsandDecals-1.1.0.ckan
@@ -11,6 +11,11 @@
     },
     "version": "1.1.0",
     "ksp_version": "1.4.3",
+    "depends": [
+        {
+            "name": "ModuleManager"
+        }
+    ],
     "recommends": [
         {
             "name": "DecalStickers"