diff --git a/cmake/SetupTPLs.cmake b/cmake/SetupTPLs.cmake
index d69fcf1..931412b 100644
--- a/cmake/SetupTPLs.cmake
+++ b/cmake/SetupTPLs.cmake
@@ -42,7 +42,7 @@ endif()
 
 #### deal.II #################################################################
 if(ENABLE_DEAL_II)
-    find_package(deal.II 8.4 REQUIRED PATHS ${DEAL_II_DIR})
+    find_package(deal.II 9.0.0 REQUIRED PATHS ${DEAL_II_DIR})
     add_definitions(-DWITH_DEAL_II)
     # If deal.II was configured in DebugRelease mode, then if Cap was configured
     # in Debug mode, we link against the Debug version of deal.II. IF Cap was
diff --git a/cpp/source/utils.cc b/cpp/source/utils.cc
index d0bb891..53f88f7 100644
--- a/cpp/source/utils.cc
+++ b/cpp/source/utils.cc
@@ -18,12 +18,6 @@ template std::map<std::string, double> to_map(std::string const &s);
 template std::map<std::string, std::string> to_map(std::string const &s);
 template std::map<std::string, bool> to_map(std::string const &s);
 
-template std::vector<unsigned int> to_vector(std::string const &s);
-template std::vector<int> to_vector(std::string const &s);
-template std::vector<float> to_vector(std::string const &s);
-template std::vector<double> to_vector(std::string const &s);
-template std::vector<std::string> to_vector(std::string const &s);
-template std::vector<bool> to_vector(std::string const &s);
 #ifdef WITH_DEAL_II
 template <>
 std::vector<dealii::types::material_id> to_vector(std::string const &s)
@@ -41,6 +35,13 @@ std::vector<dealii::types::material_id> to_vector(std::string const &s)
 }
 #endif
 
+template std::vector<unsigned int> to_vector(std::string const &s);
+template std::vector<int> to_vector(std::string const &s);
+template std::vector<float> to_vector(std::string const &s);
+template std::vector<double> to_vector(std::string const &s);
+template std::vector<std::string> to_vector(std::string const &s);
+template std::vector<bool> to_vector(std::string const &s);
+
 template std::string to_string(std::vector<int> const &v);
 template std::string to_string(std::vector<unsigned int> const &v);
 template std::string to_string(std::vector<float> const &v);
diff --git a/docker/Dockerfile_stack b/docker/Dockerfile_stack
index 8011352..bd09020 100644
--- a/docker/Dockerfile_stack
+++ b/docker/Dockerfile_stack
@@ -8,7 +8,6 @@ RUN apt-get update && apt-get install -y \
         gfortran \
         wget \
         git \
-        cmake \
         lcov \
         valgrind \
         cppcheck \
@@ -21,7 +20,6 @@ RUN apt-get update && apt-get install -y \
         libbz2-dev \
         libatlas-base-dev \
         zlib1g-dev \
-        libopenmpi-dev \
         libhdf5-dev \
         python3.5-dev \
         python3-tk \
@@ -45,13 +43,51 @@ RUN mkdir -p ${PREFIX} && \
     mkdir build && \
     mkdir install
 
+# Install CMake
+RUN export CMAKE_VERSION=3.12.1 && \
+    export CMAKE_VERSION_SHORT=3.12 && \
+    export CMAKE_URL=https://cmake.org/files/v${CMAKE_VERSION_SHORT}/cmake-${CMAKE_VERSION}-Linux-x86_64.sh && \
+    export CMAKE_SCRIPT=cmake-${CMAKE_VERSION}-Linux-x86_64.sh && \
+    export CMAKE_PREFIX=/opt/cmake/${CMAKE_VERSION_SHORT} && \
+    wget --quiet ${CMAKE_URL} --output-document=${CMAKE_SCRIPT} && \
+    mkdir -p ${CMAKE_PREFIX} && \
+    sh ${CMAKE_SCRIPT} --skip-license --prefix=${CMAKE_PREFIX} && \
+    rm ${CMAKE_SCRIPT}
+ENV PATH=/opt/cmake/3.12/bin:$PATH
+
+# Install OpenMPI
+RUN export OPENMPI_VERSION=2.1.3 && \
+    export OPENMPI_VERSION_SHORT=2.1 && \
+    export OPENMPI_SHA1=e24502c7075c8e8f6de028a6aedecf7a6d2d0bb7 && \
+    export OPENMPI_URL=https://www.open-mpi.org/software/ompi/v${OPENMPI_VERSION_SHORT}/downloads/openmpi-${OPENMPI_VERSION}.tar.bz2 && \
+    export OPENMPI_ARCHIVE=${PREFIX}/archive/openmpi-${OPENMPI_VERSION}.tar.bz2 && \
+    export OPENMPI_SOURCE_DIR=${PREFIX}/source/openmpi/${OPENMPI_VERSION} && \
+    export OPENMPI_BUILD_DIR=${PREFIX}/build/openmpi/${OPENMPI_VERSION} && \
+    export OPENMPI_INSTALL_DIR=/opt/openmpi/${OPENMPI_VERSION_SHORT} && \
+    wget --quiet ${OPENMPI_URL} --output-document=${OPENMPI_ARCHIVE} && \
+    echo "${OPENMPI_SHA1} ${OPENMPI_ARCHIVE}" | sha1sum -c && \
+    mkdir -p ${OPENMPI_SOURCE_DIR} && \
+    tar -xf ${OPENMPI_ARCHIVE} -C ${OPENMPI_SOURCE_DIR} --strip-components=1 && \
+    mkdir -p ${OPENMPI_BUILD_DIR} && \
+    cd ${OPENMPI_BUILD_DIR} && \
+    ${OPENMPI_SOURCE_DIR}/configure --prefix=${OPENMPI_INSTALL_DIR} && \
+    make -j${NPROC} install && \
+    rm -rf ${OPENMPI_ARCHIVE} && \
+    rm -rf ${OPENMPI_BUILD_DIR} && \
+    rm -rf ${OPENMPI_SOURCE_DIR}
+
+ENV MPI_DIR=/opt/openmpi/2.1
+# Put OPENMPI_DIR at the end of the path so that /ust/local/bin/mpiexec will
+# overwrite it
+ENV PATH=$PATH:${MPI_DIR}/bin
+
 # install boost
-RUN export BOOST_URL=http://sourceforge.net/projects/boost/files/boost/1.63.0/boost_1_63_0.tar.bz2 && \
-    export BOOST_SHA256=beae2529f759f6b3bf3f4969a19c2e9d6f0c503edcb2de4a61d1428519fcb3b0 && \
-    export BOOST_ARCHIVE=${PREFIX}/archive/boost_1_63_0.tar.bz2 && \
-    export BOOST_SOURCE_DIR=${PREFIX}/source/boost/1.63.0 && \
-    export BOOST_BUILD_DIR=${PREFIX}/build/boost/1.63.0 && \
-    export BOOST_INSTALL_DIR=/opt/boost/1.63.0 && \
+RUN export BOOST_URL=http://sourceforge.net/projects/boost/files/boost/1.68.0/boost_1_68_0.tar.bz2 && \
+    export BOOST_SHA256=7f6130bc3cf65f56a618888ce9d5ea704fa10b462be126ad053e80e553d6d8b7 && \
+    export BOOST_ARCHIVE=${PREFIX}/archive/boost_1_68_0.tar.bz2 && \
+    export BOOST_SOURCE_DIR=${PREFIX}/source/boost/1.68.0 && \
+    export BOOST_BUILD_DIR=${PREFIX}/build/boost/1.68.0 && \
+    export BOOST_INSTALL_DIR=/opt/boost/1.68.0 && \
     wget --quiet ${BOOST_URL} --output-document=${BOOST_ARCHIVE} && \
     echo "${BOOST_SHA256} ${BOOST_ARCHIVE}" | sha256sum -c && \
     mkdir -p ${BOOST_SOURCE_DIR} && \
@@ -66,12 +102,13 @@ RUN export BOOST_URL=http://sourceforge.net/projects/boost/files/boost/1.63.0/bo
         link=shared \
         variant=release \
         --build-dir=${BOOST_BUILD_DIR} \
+        hardcode-dll-paths=true dll-path=${BOOST_INSTALL_DIR}/lib \
         && \
     rm -rf ${BOOST_ARCHIVE} && \
     rm -rf ${BOOST_BUILD_DIR} && \
     rm -rf ${BOOST_SOURCE_DIR}
 
-ENV BOOST_DIR=/opt/boost/1.63.0
+ENV BOOST_DIR=/opt/boost/1.68.0
 #ENV LD_LIBRARY_PATH=${BOOST_DIR}/lib:${LD_LIBRARY_PATH}
 
 # install TRILINOS
@@ -146,9 +183,9 @@ RUN export P4EST_VERSION=1.1 &&\
 ENV P4EST_DIR=/opt/p4est/1.1
 
 # install dealii
-RUN export DEAL_II_VERSION=8.5.1 && \
+RUN export DEAL_II_VERSION=9.0.0 && \
     export DEAL_II_URL=https://github.com/dealii/dealii/releases/download/v${DEAL_II_VERSION}/dealii-${DEAL_II_VERSION}.tar.gz && \
-    export DEAL_II_SHA1=fe8e4748c1d9650487fb5145429a58e8509de276 && \
+    export DEAL_II_SHA1=820bf3961a6d840ee27cf0456d38d6dbd05e1565 && \
     export DEAL_II_ARCHIVE=${PREFIX}/archive/dealii-${DEAL_II_VERSION}.tar.gz && \
     export DEAL_II_SOURCE_DIR=${PREFIX}/source/dealii/${DEAL_II_VERSION} && \
     export DEAL_II_BUILD_DIR=${PREFIX}/build/dealii/${DEAL_II_VERSION} && \
@@ -164,9 +201,6 @@ RUN export DEAL_II_VERSION=8.5.1 && \
         -D CMAKE_BUILD_TYPE=${BUILD_TYPE} \
         -D DEAL_II_WITH_MPI=ON \
         -D DEAL_II_WITH_CXX11=ON \
-        -D CMAKE_Fortran_COMPILER=mpifort \
-        -D CMAKE_CXX_COMPILER=mpicxx \
-        -D CMAKE_C_COMPILER=mpicc \
         -D BOOST_DIR=${BOOST_DIR} \
         -D P4EST_DIR=${P4EST_DIR} \
         -D TRILINOS_DIR=${TRILINOS_DIR} \
@@ -176,7 +210,7 @@ RUN export DEAL_II_VERSION=8.5.1 && \
     rm -rf ${DEAL_II_BUILD_DIR} && \
     rm -rf ${DEAL_II_SOURCE_DIR}
 
-ENV DEAL_II_DIR=/opt/dealii/8.5.1
+ENV DEAL_II_DIR=/opt/dealii/9.0.0
 
 ENV LD_LIBRARY_PATH=${LAPACK_DIR}/lib:${LD_LIBRARY_PATH}