diff --git a/pkg/harvester/utils/feature-flags.js b/pkg/harvester/utils/feature-flags.js
index 10349f31..0bd70a76 100644
--- a/pkg/harvester/utils/feature-flags.js
+++ b/pkg/harvester/utils/feature-flags.js
@@ -35,7 +35,17 @@ function latestMinorVersion(v) {
 }
 
 export const featureEnabled = (featureKey, serverVersion) => {
+  const minSupportedVersion = '1.3.0';
+
   const version = getVersion(serverVersion);
+
+  if (semver.lt(version.replace('v', ''), minSupportedVersion)) {
+    // eslint-disable-next-line no-console
+    console.error(`Harvester UI extension only supports Harvester cluster version >= ${ minSupportedVersion }. Current version: ${ version }`);
+
+    return false;
+  }
+
   let releasedFeatures = RELEASE_FEATURES[version];
 
   if (!releasedFeatures) {