diff --git a/Dockerfile b/Dockerfile
index 5da5458f8..eb5715d0f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ RUN apt-get update && apt-get install -y ninja-build \
 RUN add-apt-repository ppa:ubuntu-toolchain-r/test && apt-get update 
 
 WORKDIR /opt
+RUN apt install zlib1g-dev
 
 # Build Assimp
 RUN git clone https://github.com/assimp/assimp.git /opt/assimp