diff --git a/cmake/Modules/Packages/KOKKOS.cmake b/cmake/Modules/Packages/KOKKOS.cmake
index e74893d0d0..a2f462905a 100644
--- a/cmake/Modules/Packages/KOKKOS.cmake
+++ b/cmake/Modules/Packages/KOKKOS.cmake
@@ -45,8 +45,8 @@ if(DOWNLOAD_KOKKOS)
   list(APPEND KOKKOS_LIB_BUILD_ARGS "-DCMAKE_CXX_EXTENSIONS=${CMAKE_CXX_EXTENSIONS}")
   list(APPEND KOKKOS_LIB_BUILD_ARGS "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
   include(ExternalProject)
-  set(KOKKOS_URL "https://github.com/kokkos/kokkos/archive/4.2.01.tar.gz" CACHE STRING "URL for KOKKOS tarball")
-  set(KOKKOS_MD5 "16b9b09ae947d434dfb58fc5c87c2b76" CACHE STRING "MD5 checksum of KOKKOS tarball")
+  set(KOKKOS_URL "https://github.com/kokkos/kokkos/archive/4.3.00.tar.gz" CACHE STRING "URL for KOKKOS tarball")
+  set(KOKKOS_MD5 "889dcea2b5ced3debdc5b0820044bdc4" CACHE STRING "MD5 checksum of KOKKOS tarball")
   mark_as_advanced(KOKKOS_URL)
   mark_as_advanced(KOKKOS_MD5)
   GetFallbackURL(KOKKOS_URL KOKKOS_FALLBACK)
@@ -71,7 +71,7 @@ if(DOWNLOAD_KOKKOS)
   add_dependencies(LAMMPS::KOKKOSCORE kokkos_build)
   add_dependencies(LAMMPS::KOKKOSCONTAINERS kokkos_build)
 elseif(EXTERNAL_KOKKOS)
-  find_package(Kokkos 4.2.01 REQUIRED CONFIG)
+  find_package(Kokkos 4.3.00 REQUIRED CONFIG)
   target_link_libraries(lammps PRIVATE Kokkos::kokkos)
 else()
   set(LAMMPS_LIB_KOKKOS_SRC_DIR ${LAMMPS_LIB_SOURCE_DIR}/kokkos)
diff --git a/doc/src/Build_extras.rst b/doc/src/Build_extras.rst
index 1f643a9d14..f66238c3c9 100644
--- a/doc/src/Build_extras.rst
+++ b/doc/src/Build_extras.rst
@@ -533,9 +533,6 @@ They must be specified in uppercase.
    *  - A64FX
       - HOST
       - ARMv8.2 with SVE Support
-   *  - WSM
-      - HOST
-      - Intel Westmere CPU (SSE 4.2)
    *  - SNB
       - HOST
       - Intel Sandy/Ivy Bridge CPU (AVX 1)
@@ -566,18 +563,15 @@ They must be specified in uppercase.
    *  - KNL
       - HOST
       - Intel Knights Landing Xeon Phi
-   *  - BGQ
-      - HOST
-      - IBM Blue Gene/Q CPU
-   *  - POWER7
-      - HOST
-      - IBM POWER7 CPU
    *  - POWER8
       - HOST
       - IBM POWER8 CPU
    *  - POWER9
       - HOST
       - IBM POWER9 CPU
+   *  - RISCV_SG2042
+      - HOST
+      - SG2042 (RISC-V) CPU
    *  - KEPLER30
       - GPU
       - NVIDIA Kepler generation CC 3.0 GPU
@@ -666,7 +660,7 @@ They must be specified in uppercase.
       - GPU
       - Intel GPU Ponte Vecchio
 
-This list was last updated for version 4.2 of the Kokkos library.
+This list was last updated for version 4.3.0 of the Kokkos library.
 
 .. tabs::