diff --git a/web/Dockerfile b/web/Dockerfile
index 8668438..7cbaab7 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -22,9 +22,10 @@ add-apt-repository ppa:deadsnakes/ppa -y && \
   apt-get update && \
   apt-get install -y curl git build-essential sudo \
     python3.6 python3-pip python3.6-dev \
-    nodejs npm \
-    postgresql postgresql-contrib \
-    libpq-dev libssl-dev libffi-dev libsasl2-dev libldap2-dev && \
+    nodejs-dev && \
+    apt-get install -y npm && \
+    apt-get install -y postgresql postgresql-contrib \
+    libpq-dev libffi-dev libsasl2-dev libldap2-dev && \
   ln -sf /usr/bin/python3.6 /usr/local/bin/python3 && \
   update-alternatives --install /usr/bin/python python /usr/bin/python3 1 && \
   update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 1 && \