diff --git a/tests/testcases/100_check-k8s-conformance.yml b/tests/testcases/100_check-k8s-conformance.yml
index f1b372f9e..1849c04ff 100644
--- a/tests/testcases/100_check-k8s-conformance.yml
+++ b/tests/testcases/100_check-k8s-conformance.yml
@@ -1,7 +1,7 @@
 ---
 - hosts: kube-master[0]
   vars:
-    sonobuoy_version: 0.16.0
+    sonobuoy_version: 0.18.4
     sonobuoy_arch: amd64
     sonobuoy_parallel: 30
     sonobuoy_path: /usr/local/bin/sonobuoy