diff --git a/constraint.txt b/constraint.txt
index 54aebf332..b8d398f80 100644
--- a/constraint.txt
+++ b/constraint.txt
@@ -1,3 +1,3 @@
-cmake<3.29
-pyzmq==26.0.0
-scikit-build-core<0.9
+cmake
+pyzmq
+scikit-build-core
diff --git a/installation/routines/setup_jukebox_core.sh b/installation/routines/setup_jukebox_core.sh
index 53d99a854..87f1e219c 100644
--- a/installation/routines/setup_jukebox_core.sh
+++ b/installation/routines/setup_jukebox_core.sh
@@ -79,6 +79,10 @@ _jukebox_core_build_and_install_pyzmq() {
   print_lc "  Install pyzmq with libzmq-drafts to support WebSockets"
 
   if ! pip list | grep -F pyzmq >> /dev/null; then
+
+    print_lc "      Remove apt libzmq"
+    sudo apt-get -y remove libzmq 
+
     mkdir -p "${JUKEBOX_ZMQ_TMP_DIR}" || exit_on_error
     if [ "$BUILD_LIBZMQ_WITH_DRAFTS_ON_DEVICE" = true ] ; then
       _jukebox_core_build_libzmq_with_drafts
@@ -86,6 +90,9 @@ _jukebox_core_build_and_install_pyzmq() {
       _jukebox_core_download_prebuilt_libzmq_with_drafts
     fi
 
+    print_lc "      Run ldconfig"
+    sudo ldconfig -v
+
     PIP_CONSTRAINT="${INSTALLATION_PATH}/constraint.txt" ZMQ_PREFIX="${JUKEBOX_ZMQ_PREFIX}" ZMQ_DRAFT_API=1 \
       pip install -v pyzmq --no-binary pyzmq