diff --git a/tools/offline/scripts/init_http_cache.sh b/tools/offline/scripts/init_http_cache.sh
index 9bda6cdaa5..55856bbf21 100755
--- a/tools/offline/scripts/init_http_cache.sh
+++ b/tools/offline/scripts/init_http_cache.sh
@@ -40,26 +40,26 @@ echo "Dowloading thirdparty tarballs..."
 MPICH2_WIN64_DEVEL_URL="${LAMMPS_THIRDPARTY_URL}/mpich2-win64-devel.tar.gz"
 MPICH2_WIN32_DEVEL_URL="${LAMMPS_THIRDPARTY_URL}/mpich2-win32-devel.tar.gz"
 VORO_URL="${LAMMPS_THIRDPARTY_URL}/voro++-0.4.6.tar.gz"
-OPENCL_LOADER_URL="${LAMMPS_THIRDPARTY_URL}/opencl-loader-2020.12.18.tar.gz"
+OPENCL_LOADER_URL="${LAMMPS_THIRDPARTY_URL}/opencl-loader-2021.06.30.tar.gz"
 SCAFACOS_FIX_URL="${LAMMPS_THIRDPARTY_URL}/scafacos-1.0.1-fix.diff"
 GTEST_URL="https://github.com/google/googletest/archive/release-1.10.0.tar.gz"
 YAML_URL="https://pyyaml.org/download/libyaml/yaml-0.2.5.tar.gz"
-MATHJAX_URL="https://github.com/mathjax/MathJax/archive/3.1.2.tar.gz"
+MATHJAX_URL="https://github.com/mathjax/MathJax/archive/3.1.3.tar.gz"
 EIGEN3_URL="https://gitlab.com/libeigen/eigen/-/archive/3.3.7/eigen-3.3.7.tar.gz"
 CUB_URL="https://github.com/NVlabs/cub/archive/1.12.0.tar.gz"
-KOKKOS_URL="https://github.com/kokkos/kokkos/archive/3.3.01.tar.gz"
+KOKKOS_URL="https://github.com/kokkos/kokkos/archive/3.4.01.tar.gz"
 KIM_URL="https://s3.openkim.org/kim-api/kim-api-2.2.1.txz"
 MSCG_URL="https://github.com/uchicago-voth/MSCG-release/archive/1.7.3.1.tar.gz"
-PLUMED_URL="https://github.com/plumed/plumed2/releases/download/v2.7.0/plumed-src-2.7.0.tgz"
+PLUMED_URL="https://github.com/plumed/plumed2/releases/download/v2.7.1/plumed-src-2.7.1.tgz"
 PACELIB_URL="https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2021.4.9.tar.gz"
 LATTE_URL="https://github.com/lanl/LATTE/archive/v1.2.2.tar.gz"
 SCAFACOS_URL="https://github.com/scafacos/scafacos/releases/download/v1.0.1/scafacos-1.0.1.tar.gz"
 MDI_URL="https://github.com/MolSSI-MDI/MDI_Library/archive/v1.2.9.tar.gz"
 
 GTEST_FILENAME="gtest-1.10.0.tar.gz"
-MATHJAX_FILENAME="mathjax-3.1.2.tar.gz"
+MATHJAX_FILENAME="mathjax-3.1.3.tar.gz"
 CUB_FILENAME="cub-1.12.0.tar.gz"
-KOKKOS_FILENAME="kokkos-3.3.01.tar.gz"
+KOKKOS_FILENAME="kokkos-3.4.01.tar.gz"
 MSCG_FILENAME="mscg-1.7.3.1.tar.gz"
 LATTE_FILENAME="latte-1.2.2.tar.gz"
 PACELIB_FILENAME="pacelib-2021.4.9.tar.gz"