diff --git a/.buildkite/build.sh b/.buildkite/build.sh
index ceb11bb..47a512f 100644
--- a/.buildkite/build.sh
+++ b/.buildkite/build.sh
@@ -16,9 +16,9 @@ if [ ! -f ${PWD}/cmake-${CMAKE_VERSION}-linux-x86_64/bin/cmake ]; then
   sh ${DOWNLOAD_DIR}/cmake-${CMAKE_VERSION}-linux-x86_64.sh --prefix=${PWD} --include-subdir
 fi
 export PATH=${PWD}/cmake-${CMAKE_VERSION}-linux-x86_64/bin:${PATH}
-export CC=icx
-export CXX=icpx
-export FC=ifx
+#export CC=icx
+#export CXX=icpx
+#export FC=ifx
 cmake -DENABLE_openmpi=ON -DENABLE_libfabric=ON -DENABLE_cuda=ON -DENABLE_ucx=ON -DENABLE_efa=OFF -DENABLE_psm2=OFF -DENABLE_gdrcopy=OFF -DENABLE_nccl=OFF -DENABLE_awsofinccl=OFF ..
 cmake --build . -- VERBOSE=true
 ctest -R
diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 48e36b6..304e4f6 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -7,5 +7,5 @@ steps:
           CCACHE_DIR: /ccache
           CCACHE_MAXSIZE: 40G
         agents:
-          digest: "700935a1253dd3cdac352dfc141242c6f32866b3f94f456e5efd57275a86f89f"
+          digest: "5a05fddacc4b392d59131dc459fc70e79a7c346a86b92346ab03ee321730ff93"
           queue: "zcfd"
diff --git a/versions.cmake b/versions.cmake
index 6d8ad07..7dd1c4c 100644
--- a/versions.cmake
+++ b/versions.cmake
@@ -1,20 +1,20 @@
 
 superbuild_set_selectable_source(openmpi
-  SELECT 4.1.5 DEFAULT
-  URL "https://download.open-mpi.org/release/open-mpi/v4.1/openmpi-4.1.5.tar.gz"
-  URL_MD5 2593008bea4bc721b9f304428abbf94b 
+  SELECT 4.1.6 DEFAULT
+  URL "https://download.open-mpi.org/release/open-mpi/v4.1/openmpi-4.1.6.tar.gz"
+  URL_MD5 e478b1d886935e5f836a9164ad4806d0 
   SELECT 3.1.6
   URL     "https://download.open-mpi.org/release/open-mpi/v3.1/openmpi-3.1.6.tar.bz2"
   URL_MD5 d2b643de03d8f7d8064d7a35ad5b385d
 )
    
 superbuild_set_revision(libfabric
-  URL "https://github.com/ofiwg/libfabric/releases/download/v1.17.1/libfabric-1.17.1.tar.bz2"
-  URL_MD5 043b891a6cfe850570957703400127ae)
+  URL "https://github.com/ofiwg/libfabric/releases/download/v1.19.0/libfabric-1.19.0.tar.bz2"
+  URL_MD5 d6275f6990a26dc144a1d43899c20a2d)
 
 superbuild_set_revision(ucx
-  URL "https://github.com/openucx/ucx/releases/download/v1.14.0/ucx-1.14.0.tar.gz"
-  URL_MD5 590d524b47f1f426733a229309e6bc1c)
+  URL "https://github.com/openucx/ucx/releases/download/v1.15.0/ucx-1.15.0.tar.gz"
+  URL_MD5 bb141973027ba522b397f89272681cee)
 
 superbuild_set_revision(psm2
   URL     "https://github.com/intel/opa-psm2/archive/IFS_RELEASE_10_10_2_0_44.tar.gz"