diff --git a/pkgs/development/rocm-modules/6/hipblaslt/default.nix b/pkgs/development/rocm-modules/6/hipblaslt/default.nix
index 671b7ac4e018..47bfd00909fc 100644
--- a/pkgs/development/rocm-modules/6/hipblaslt/default.nix
+++ b/pkgs/development/rocm-modules/6/hipblaslt/default.nix
@@ -10,7 +10,8 @@
   clr,
   gfortran,
   gtest,
-  msgpack,
+  boost,
+  msgpack-cxx,
   amd-blis,
   libxml2,
   python3,
@@ -65,7 +66,7 @@ let
   # FIXME(LunNova@): cmake files need patched to include this properly or
   # maybe we improve the toolchain to use config files + assemble a sysroot
   # so system wide include assumptions work
-  cFlags = "-Wno-switch -fopenmp -I${zstd.dev}/include -I${amd-blis}/include/blis/ -I${msgpack}/include";
+  cFlags = "-Wno-switch -fopenmp -I${lib.getDev zstd}/include -I${amd-blis}/include/blis/ -I${lib.getDev msgpack-cxx}/include";
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "hipblaslt${clr.gpuArchSuffix}";
@@ -146,7 +147,7 @@ stdenv.mkDerivation (finalAttrs: {
     lapack-reference
 
     # Tensile deps - not optional, building without tensile isn't actually supported
-    msgpack # FIXME: not included in cmake!
+    msgpack-cxx
     libxml2
     python3Packages.msgpack
     python3Packages.joblib
@@ -158,7 +159,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   cmakeFlags = [
-    "-Wno-dev"
+    (lib.cmakeFeature "Boost_INCLUDE_DIR" "${lib.getDev boost}/include") # msgpack FindBoost fails to find boost
     (lib.cmakeFeature "GPU_TARGETS" gpuTargets')
     (lib.cmakeBool "BUILD_TESTING" buildTests)
     (lib.cmakeBool "HIPBLASLT_ENABLE_BLIS" true)
diff --git a/pkgs/development/rocm-modules/6/migraphx/default.nix b/pkgs/development/rocm-modules/6/migraphx/default.nix
index 8e08db59fc84..646bddf0fdf3 100644
--- a/pkgs/development/rocm-modules/6/migraphx/default.nix
+++ b/pkgs/development/rocm-modules/6/migraphx/default.nix
@@ -18,7 +18,8 @@
   abseil-cpp,
   half,
   nlohmann_json,
-  msgpack,
+  boost,
+  msgpack-cxx,
   sqlite,
   oneDNN,
   blaze,
@@ -83,6 +84,10 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-8iOBoRBygTvn9eX5f9cG0kBHKgKSeflqHkV6Qwh/ruA=";
   };
 
+  patches = [
+    ./msgpack-6-compat.patch
+  ];
+
   nativeBuildInputs = [
     pkg-config
     cmake
@@ -112,7 +117,8 @@ stdenv.mkDerivation (finalAttrs: {
     protobuf
     half
     nlohmann_json
-    msgpack
+    boost
+    msgpack-cxx
     sqlite
     oneDNN'
     blaze
diff --git a/pkgs/development/rocm-modules/6/migraphx/msgpack-6-compat.patch b/pkgs/development/rocm-modules/6/migraphx/msgpack-6-compat.patch
new file mode 100644
index 000000000000..5c4890a02ce2
--- /dev/null
+++ b/pkgs/development/rocm-modules/6/migraphx/msgpack-6-compat.patch
@@ -0,0 +1,29 @@
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index 1dba2c8d..7795ba78 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -358,13 +358,19 @@ target_link_libraries(migraphx PRIVATE nlohmann_json::nlohmann_json)
+ find_package(SQLite3 REQUIRED)
+ target_link_libraries(migraphx PRIVATE SQLite::SQLite3)
+ 
+-find_package(msgpackc-cxx QUIET)
+-if(NOT msgpackc-cxx_FOUND)
+-    find_package(msgpack REQUIRED)
++# See: https://github.com/msgpack/msgpack-c/wiki/Q%26A#how-to-support-both-msgpack-c-c-version-5x-and-6x-
++# Prefer 6.x (msgpack-cxx)
++find_package(msgpack-cxx)
++if(msgpack-cxx_FOUND)
++    message(STATUS "Found msgpack-cxx (>=6.x)")
++else()
++    find_package(msgpackc-cxx REQUIRED NAMES msgpackc-cxx msgpack)
++    message(STATUS "Found msgpackc-cxx (<=5.x)")
++    add_library(msgpack-cxx ALIAS msgpackc-cxx)
+ endif()
+-target_link_libraries(migraphx PRIVATE msgpackc-cxx)
++target_link_libraries(migraphx PRIVATE msgpack-cxx)
+ # Make this available to the tests
+-target_link_libraries(migraphx INTERFACE $<BUILD_INTERFACE:msgpackc-cxx>)
++target_link_libraries(migraphx INTERFACE $<BUILD_INTERFACE:msgpack-cxx>)
+ 
+ add_library(migraphx_all_targets INTERFACE)
+ 
diff --git a/pkgs/development/rocm-modules/6/rocblas/default.nix b/pkgs/development/rocm-modules/6/rocblas/default.nix
index 8d44d6cb2da0..768ab094b38f 100644
--- a/pkgs/development/rocm-modules/6/rocblas/default.nix
+++ b/pkgs/development/rocm-modules/6/rocblas/default.nix
@@ -10,7 +10,8 @@
   clr,
   python3,
   tensile,
-  msgpack,
+  boost,
+  msgpack-cxx,
   libxml2,
   gtest,
   gfortran,
@@ -71,7 +72,7 @@ stdenv.mkDerivation (finalAttrs: {
   ]
   ++ lib.optionals buildTensile [
     zstd
-    msgpack
+    msgpack-cxx
     libxml2
     python3Packages.msgpack
     python3Packages.zstandard
@@ -87,12 +88,13 @@ stdenv.mkDerivation (finalAttrs: {
     python3Packages.pyyaml
   ];
 
-  env.CXXFLAGS = "-fopenmp -I${hipblas-common}/include -I${roctracer}/include";
+  env.CXXFLAGS = "-fopenmp -I${lib.getDev boost}/include -I${hipblas-common}/include -I${roctracer}/include";
   # Fails to link tests with undefined symbol: cblas_*
   env.LDFLAGS = lib.optionalString (buildTests || buildBenchmarks) "-Wl,--as-needed -lcblas";
   env.TENSILE_ROCM_ASSEMBLER_PATH = "${stdenv.cc}/bin/clang++";
 
   cmakeFlags = [
+    (lib.cmakeFeature "Boost_INCLUDE_DIR" "${lib.getDev boost}/include") # msgpack FindBoost fails to find boost
     (lib.cmakeFeature "CMAKE_EXECUTE_PROCESS_COMMAND_ECHO" "STDERR")
     (lib.cmakeFeature "CMAKE_Fortran_COMPILER" "${lib.getBin gfortran}/bin/gfortran")
     (lib.cmakeFeature "CMAKE_Fortran_COMPILER_AR" "${lib.getBin gfortran}/bin/ar")