diff --git a/Dockerfile b/Dockerfile
index f4c09c9..f759b11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ COPY . /go/src/github.com/Luzifer/ots
 WORKDIR /go/src/github.com/Luzifer/ots
 
 RUN set -ex \
- && apk update && apk add \
+ && apk --no-cache add \
       curl \
       git \
       make \
diff --git a/Dockerfile.minimal b/Dockerfile.minimal
index e4f47b3..1ca5bf3 100644
--- a/Dockerfile.minimal
+++ b/Dockerfile.minimal
@@ -8,7 +8,7 @@ COPY . /go/src/github.com/Luzifer/ots
 WORKDIR /go/src/github.com/Luzifer/ots
 
 RUN set -ex \
- && apk update && apk add \
+ && apk --no-cache add \
       curl \
       git \
       make \