diff --git a/Docker/github_ci_dockerfile b/Docker/github_ci_dockerfile
index abdde0ae..af0bc870 100644
--- a/Docker/github_ci_dockerfile
+++ b/Docker/github_ci_dockerfile
@@ -99,43 +99,43 @@ ENV CPATH=/triqs/include:${CPATH} \
     CTEST_PARALLEL_LEVEL=${NCORES} \
     TRIQS_ROOT=/triqs
 
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/triqs \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/triqs \
     && cd triqs && mkdir -p build && cd build \
     && cmake ../ -DCMAKE_INSTALL_PREFIX=/triqs \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # dft_tools
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/dft_tools.git \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/dft_tools.git \
     && cd dft_tools && mkdir -p build && cd build \
     && cmake ../ \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # cthyb
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/cthyb.git \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/cthyb.git \
     && cd cthyb && mkdir -p build && cd build \
     && cmake ../ \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # hubbardI
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/hubbardI.git \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/hubbardI.git \
     && cd hubbardI && mkdir -p build && cd build \
     && cmake ../ \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # Hartree-Fock solver
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/hartree_fock.git \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/hartree_fock.git \
     && cd hartree_fock && mkdir -p build && cd build \
     && cmake ../ \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # maxent needed for doc build
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/maxent.git \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/maxent.git \
     && cd maxent && mkdir -p build && cd build \
     && cmake ../ \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # install sparse-ir into triqs pythonpath
-pip install --target /triqs/lib/python3.10/site-packages sparse-ir[xprec]
+RUN pip install --target /triqs/lib/python3.10/site-packages sparse-ir[xprec]
 
 # remove source
 RUN cd / && rm -rf source
diff --git a/Docker/openmpi_dockerfile b/Docker/openmpi_dockerfile
index 64b5f0c4..8ee5f803 100644
--- a/Docker/openmpi_dockerfile
+++ b/Docker/openmpi_dockerfile
@@ -34,6 +34,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
       libmkl-dev \
       libnfft3-dev \
       libomp-${LLVM}-dev \
+      libomp-dev \
       libopenblas-dev \
       libopenmpi-dev \
       libpmi2-0-dev \
@@ -183,52 +184,52 @@ ENV CPATH=/triqs/include:/usr/include/mkl:${CPATH} \
     BLA_VENDOR=Intel10_64_dyn \
     TRIQS_ROOT=/triqs
 
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/triqs triqs.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/triqs triqs.src \
     && mkdir -p triqs.build && cd triqs.build \
     && cmake ../triqs.src -DCMAKE_INSTALL_PREFIX=/triqs \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # dft_tools
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/dft_tools.git dft_tools.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/dft_tools.git dft_tools.src \
     && mkdir -p dft_tools.build && cd dft_tools.build \
     && cmake ../dft_tools.src \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # cthyb
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/cthyb.git cthyb.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/cthyb.git cthyb.src \
     && mkdir -p cthyb.build && cd cthyb.build \
     && cmake ../cthyb.src \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # maxent
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/maxent.git maxent.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/maxent.git maxent.src \
     && mkdir -p maxent.build && cd maxent.build \
     && cmake ../maxent.src \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # TPRF
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/tprf.git tprf.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/tprf.git tprf.src \
     && mkdir -p tprf.build && cd tprf.build \
     && cmake ../tprf.src  \
     && make -j$NCORES && make test && make install
 
 # hubbardI
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/hubbardI.git hubbardI.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/hubbardI.git hubbardI.src \
     && mkdir -p hubbardI.build && cd hubbardI.build \
     && cmake ../hubbardI.src \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # hartree_fock
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/TRIQS/hartree_fock.git hartree_fock.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/TRIQS/hartree_fock.git hartree_fock.src \
     && mkdir -p hartree_fock.build && cd hartree_fock.build \
     && cmake ../hartree_fock.src \
     && make -j$NCORES && ctest -j$NCORES && make install
 
 # install sparse-ir into triqs pythonpath
-pip install --target /triqs/lib/python3.10/site-packages sparse-ir[xprec]
+RUN pip install --target /triqs/lib/python3.10/site-packages sparse-ir[xprec]
 
 # download solid_dmft and install
-RUN cd /source && git clone -b unstable --depth 1 https://github.com/flatironinstitute/solid_dmft.git solid_dmft.src \
+RUN cd /source && git clone -b 3.3.x --depth 1 https://github.com/flatironinstitute/solid_dmft.git solid_dmft.src \
     && mkdir -p solid_dmft.build && cd solid_dmft.build \
     && cmake ../solid_dmft.src \
     && make test && make install