diff --git a/build/docker/ubuntu-artful/Dockerfile b/build/docker/ubuntu-artful/Dockerfile
index bbc829c..4babc3f 100644
--- a/build/docker/ubuntu-artful/Dockerfile
+++ b/build/docker/ubuntu-artful/Dockerfile
@@ -92,27 +92,28 @@
 `# csharp (mono) dependencies` \
       mono-devel
 
+ENV D_VERSION 2.077.1-0.1
 RUN apt-get install -y --no-install-recommends \
       `# D dependencies` \
-      dmd-bin \
-      libphobos2-dev \
+      dmd-bin=$D_VERSION \
+      libphobos2-dev=$D_VERSION \
+      dmd-compiler=$D_VERSION \
+      dmd-tools=$D_VERSION \
       dub \
       dfmt \
       dscanner \
       libevent-dev \
       libssl-dev \
       xdg-utils
-# libevent deimos doesn't seem to work so not enabling it:
-# RUN mkdir -p /usr/include/dmd/druntime/import/deimos /usr/include/dmd/druntime/import/C && \
-#     curl -sSL https://github.com/D-Programming-Deimos/libevent/archive/master.tar.gz| tar xz && \
-#     mv libevent-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
-#     mv libevent-master/C/* /usr/include/dmd/druntime/import/C/ && \
-#     rm -rf libevent-master
-# openssl deimos doesn't work with openssl-1.0.2 so not enabling it:
-# RUN curl -sSL https://github.com/D-Programming-Deimos/openssl/archive/master.tar.gz| tar xz && \
-#     mv openssl-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
-#     mv openssl-master/C/* /usr/include/dmd/druntime/import/C/ && \
-#     rm -rf openssl-master
+RUN mkdir -p /usr/include/dmd/druntime/import/deimos /usr/include/dmd/druntime/import/C && \
+    curl -sSL https://github.com/D-Programming-Deimos/libevent/archive/master.tar.gz| tar xz && \
+    mv libevent-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
+    mv libevent-master/C/* /usr/include/dmd/druntime/import/C/ && \
+    rm -rf libevent-master
+RUN curl -sSL https://github.com/D-Programming-Deimos/openssl/archive/master.tar.gz| tar xz && \
+    mv openssl-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
+    mv openssl-master/C/* /usr/include/dmd/druntime/import/C/ && \
+    rm -rf openssl-master
 
 RUN apt-get install -y --no-install-recommends \
       `# Dart dependencies` \
@@ -121,7 +122,7 @@
 
 RUN apt-get install -y --no-install-recommends \
 `# dotnet core dependencies` \
-      dotnet-sdk-2.0.3
+      dotnet-sdk-2.1.4
 
 RUN apt-get install -y --no-install-recommends \
 `# Erlang dependencies` \