diff --git a/Dockerfile.gitlab-charts-build-base b/Dockerfile.gitlab-charts-build-base
index e42b485..178b16b 100644
--- a/Dockerfile.gitlab-charts-build-base
+++ b/Dockerfile.gitlab-charts-build-base
@@ -10,7 +10,7 @@ ENV KUBECTL_URL=https://storage.googleapis.com/kubernetes-release/release/v${KUB
 
 # Install dependencies
 RUN apk --no-cache add -U openssl curl tar gzip bash ca-certificates git python2\
-  && mkdir /opt
+  && mkdir -p /opt
 
 # Install kubectl
 RUN curl -L -o /usr/local/bin/kubectl ${KUBECTL_URL} \
diff --git a/Dockerfile.gitlab-qa-alpine b/Dockerfile.gitlab-qa-alpine
index 2da8d3d..340de9b 100644
--- a/Dockerfile.gitlab-qa-alpine
+++ b/Dockerfile.gitlab-qa-alpine
@@ -15,7 +15,7 @@ ENV DOCKER_CHECKSUM="2d92728714d794f78619785a2c638b58b0b15e60b340de51886bf6d3730
 ENV DOCKER_BIN="/usr/local/bin/docker"
 
 # Install dependencies
-RUN apk --no-cache add -U openssl tar gzip bash ca-certificates && mkdir /opt
+RUN apk --no-cache add -U openssl tar gzip bash ca-certificates && mkdir -p /opt
 
 RUN wget -q ${DOCKER_URL} && \
     tar -zxf ${DOCKER_ARCHIVE} && \