diff --git a/Makefile b/Makefile
index 544be20cc..cbe8d3833 100644
--- a/Makefile
+++ b/Makefile
@@ -52,7 +52,7 @@ k8s: validate
 
 .PHONY: 1.21
 1.21:
-	$(MAKE) k8s kubernetes_version=1.21.5 kubernetes_build_date=2022-01-21 pull_cni_from_github=true
+	$(MAKE) k8s kubernetes_version=1.21.12 kubernetes_build_date=2022-05-20 pull_cni_from_github=true
 
 .PHONY: 1.22
 1.22: