diff --git a/build/build-image/Dockerfile b/build/build-image/Dockerfile
index 8e1936424c..58ba313d0b 100644
--- a/build/build-image/Dockerfile
+++ b/build/build-image/Dockerfile
@@ -45,7 +45,7 @@ RUN go get -u golang.org/x/tools/cmd/goimports
 RUN gcloud components update && gcloud components install app-engine-go
 
 # the kubernetes version for the file
-ENV KUBERNETES_VER 1.17.14
+ENV KUBERNETES_VER 1.18.15
 
 # overwrite kubectl as we want a specific version
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VER}/bin/linux/amd64/kubectl && \
diff --git a/build/e2e-image/Dockerfile b/build/e2e-image/Dockerfile
index dfae88d030..668dd066f1 100644
--- a/build/e2e-image/Dockerfile
+++ b/build/e2e-image/Dockerfile
@@ -15,7 +15,7 @@ RUN wget -q https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz && \
 ENV PATH /usr/local/go/bin:/go/bin:$PATH
 
 # install kubectl without gcloud as we want the last version
-ENV KUBECTL_VER 1.17.13
+ENV KUBECTL_VER 1.18.15
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VER}/bin/linux/amd64/kubectl && \
     chmod go+rx ./kubectl && \
     mv ./kubectl /usr/local/bin/kubectl