diff --git a/vault-toolkit/Dockerfile b/vault-toolkit/Dockerfile
index db6dc8d..bc7b9c1 100644
--- a/vault-toolkit/Dockerfile
+++ b/vault-toolkit/Dockerfile
@@ -1,7 +1,7 @@
-FROM alpine:3.16
+FROM alpine:3.18
 
-ENV CFSSL_VERSION="1.6.1"
-ENV KUBECTL_VERSION="1.24.4"
+ENV CFSSL_VERSION="1.6.4"
+ENV KUBECTL_VERSION="1.28.4"
 
 COPY *.sh /usr/local/bin/