diff --git a/Dockerfile b/Dockerfile
index 7fcdbbf..1fb551b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,14 +2,11 @@ FROM ubuntu:18.04
 
 RUN set -x \
     && apt-get update \
-    && apt-get install -y libopenblas-dev libreadline-dev libuv1-dev libssl-dev \
-    && apt-get clean
-
-RUN set -x \
-    && apt-get install -y git wget \
-    && apt-get install -y zlib1g-dev \
-    && apt-get install -y cmake g++ \
-    && apt-get clean \
+    # Install dependencies for Ravi, Torch, luaossl
+    # libgomp1 is OpenMP library needed by Torch
+    && apt-get install -y libopenblas-dev libreadline-dev libuv1-dev libssl-dev libgomp1 \
+    # Install build tools
+    && apt-get install -y git wget zlib1g-dev cmake g++ \
     && mkdir -p ${HOME}/sources \
     && cd ${HOME}/sources \
     && git clone https://github.com/dibyendumajumdar/Suravi.git \
@@ -17,5 +14,7 @@ RUN set -x \
     && git submodule update --init --recursive \
     && sh build/linux_build.sh \
     && rm -rf ${HOME}/sources \
-    && apt-get remove -y --purge git wget cmake g++
+    && apt-get remove -y --purge git wget cmake g++ \
+    && apt-get autoremove -y \
+    && apt-get autoclean