diff --git a/package.json b/package.json
index 336c56504d0d379d12529fdeb119821869ec39a5..89b9fc497150869f059f6218b93ad3451cd07dbf 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,8 @@
         "ertools"       : ">= 2.0.0"
     },
     "compilerCompatibility": {
-        "pakcs": ">= 2.0.0",
-        "kics2": ">= 2.0.0"
+        "pakcs": ">= 2.0.0, < 3.0.0",
+        "kics2": ">= 2.0.0, < 3.0.0"
     },
     "configModule": "Spicey.PackageConfig",
     "executable": {