diff --git a/Dockerfile b/Dockerfile
index 544272e..efaaf18 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,9 @@ MAINTAINER Stefan Rohe <think@hotmail.de>
 
 ENV \
   COMPILER=ldc \
-  COMPILER_VERSION=1.8.0-beta1
+  COMPILER_VERSION=1.9.0
 
-RUN apt-get update && apt-get install -y curl libcurl3 build-essential \
+RUN apt-get update && apt-get install -y curl libcurl3 build-essential libssl-dev\
  && curl -fsS -o /tmp/install.sh https://dlang.org/install.sh \
  && bash /tmp/install.sh -p /dlang install "${COMPILER}-${COMPILER_VERSION}" \
  && rm /tmp/install.sh \