diff --git a/dockerfile b/dockerfile
index 6b0ee15e6781918a3d1f622a34df97564cddd678..769b444729f420afa8705a196771a214ca9c61f0 100644
--- a/dockerfile
+++ b/dockerfile
@@ -10,6 +10,6 @@ RUN apt-get update --quiet && \
     apt-get install --assume-yes --quiet --no-install-recommends \
         git cmake make gcc g++ gfortran \
         pocl-opencl-icd ocl-icd-opencl-dev opencl-clhpp-headers \
-        python3-pyopencl python3-dev \
+        python3-pyopencl \
         python3-scipy tox \
     && apt-get clean