diff --git a/openmapkit/Dockerfile b/openmapkit/Dockerfile
index 3f5db73..4a560fd 100644
--- a/openmapkit/Dockerfile
+++ b/openmapkit/Dockerfile
@@ -3,7 +3,8 @@ MAINTAINER Disassembler <disassembler@dasm.cz>
 
 RUN apk --no-cache add python2
 
-RUN apk --no-cache add nodejs git build-base openjdk8-jre-base py2-pip \
+RUN apk --no-cache add --virtual .deps git build-base py2-pip \
+ && apk add nodejs git openjdk8-jre-base \
  && git clone --depth 1 https://github.com/AmericanRedCross/OpenMapKitServer /srv/openmapkit \
  && cd /srv/openmapkit \
  && git submodule update --init \
@@ -13,7 +14,7 @@ RUN apk --no-cache add nodejs git build-base openjdk8-jre-base py2-pip \
  && yarn \
  && addgroup -S -g 8007 omk \
  && adduser -S -u 8007 -h /srv/openmapkit -s /bin/false -g omk -G omk omk \
- && apk --no-cache del git build-base py2-pip \
+ && apk --no-cache del .deps \
  && rm -rf /srv/openmapkit/.git* /srv/openmapkit/api/odk/pyxform/.git* \
  && rm -rf /root/* || true