diff --git a/Dockerfile b/Dockerfile
index 02a430a58..10c8ea7aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,13 @@ USER root
 
 RUN apt-get update && apt-get install -y build-essential cmake pkg-config mingw-w64 xz-utils wget \
 	    libx11-dev libxrender-dev libfreetype-dev libwayland-dev wayland-protocols libxkbcommon-dev libcairo-dev libdbus-1-dev libgl-dev libvulkan-dev
+RUN apt-get install -y libglu-dev libegl-dev
 
 RUN mkdir -p /usr/watcom && wget -q -O /tmp/ow-snapshot.tar.xz https://github.com/open-watcom/open-watcom-v2/releases/download/Current-build/ow-snapshot.tar.xz
 RUN tar xJf /tmp/ow-snapshot.tar.xz -C /usr/watcom && rm -f /tmp/ow-snapshot.tar.xz
 
 ENV PATH=/usr/watcom/binl64:$PATH
 ENV WATCOM=/usr/watcom
-ENV INCLUDE=/usr/watcom/h
+ENV INCLUDE=/usr/watcom/h:/usr/watcom/h/nt
 
 USER jenkins