diff --git a/Dockerfile-Dev b/Dockerfile-Dev
index b24336cf3e..a9316937eb 100644
--- a/Dockerfile-Dev
+++ b/Dockerfile-Dev
@@ -7,8 +7,6 @@ RUN npm install -g gulp-cli mocha
 # dependencies.
 WORKDIR /usr/src/habitica
 COPY ["package.json", "package-lock.json", "./"]
-RUN npm install
-
 # Copy the remaining source files in.
 COPY . /usr/src/habitica
-RUN npm run postinstall
+RUN npm install