diff --git a/ortools/pdlp/python/CMakeLists.txt b/ortools/pdlp/python/CMakeLists.txt
index 29f3493ae96..79810a74491 100644
--- a/ortools/pdlp/python/CMakeLists.txt
+++ b/ortools/pdlp/python/CMakeLists.txt
@@ -26,7 +26,12 @@ elseif(UNIX)
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
     )
 endif()
-target_link_libraries(pdlp_pybind11 PRIVATE ${PROJECT_NAMESPACE}::ortools)
+target_link_libraries(pdlp_pybind11 PRIVATE
+  ${PROJECT_NAMESPACE}::ortools
+  pybind11_native_proto_caster
+  protobuf::libprotobuf
+  )
+target_include_directories(pdlp_pybind11 PRIVATE ${protobuf_SOURCE_DIR})
 add_library(${PROJECT_NAMESPACE}::pdlp_pybind11 ALIAS pdlp_pybind11)
 
 if(BUILD_TESTING)