diff --git a/ortools/algorithms/python/CMakeLists.txt b/ortools/algorithms/python/CMakeLists.txt
index 332fec6d56e..7d532ac35bf 100644
--- a/ortools/algorithms/python/CMakeLists.txt
+++ b/ortools/algorithms/python/CMakeLists.txt
@@ -22,9 +22,6 @@ if(APPLE)
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
     )
-  set_property(TARGET knapsack_solver_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
 elseif(UNIX)
   set_target_properties(knapsack_solver_pybind11 PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
@@ -45,9 +42,6 @@ if(APPLE)
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
     )
-  set_property(TARGET set_cover_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
 elseif(UNIX)
   set_target_properties(set_cover_pybind11 PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
diff --git a/ortools/constraint_solver/python/CMakeLists.txt b/ortools/constraint_solver/python/CMakeLists.txt
index a9b9569b64f..2ede9d92727 100644
--- a/ortools/constraint_solver/python/CMakeLists.txt
+++ b/ortools/constraint_solver/python/CMakeLists.txt
@@ -20,21 +20,15 @@ set_target_properties(constraint_solver_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(constraint_solver_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET constraint_solver_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(constraint_solver_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 
 target_link_libraries(constraint_solver_pybind11 PRIVATE
   ${PROJECT_NAMESPACE}::ortools
-  pybind11_native_proto_caster
-)
+  pybind11_native_proto_caster)
 add_library(${PROJECT_NAMESPACE}::constraint_solver_pybind11 ALIAS constraint_solver_pybind11)
 
 # legacy pywrapcp
@@ -58,8 +52,7 @@ if(APPLE)
   set_target_properties(pywrapcp PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../${PROJECT_NAME}/.libs")
-  set_property(TARGET pywrapcp APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress")
+  target_link_options(pywrapcp PRIVATE "LINKER:-undefined,dynamic_lookup")
 elseif(UNIX)
   set_target_properties(pywrapcp PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../${PROJECT_NAME}/.libs")
diff --git a/ortools/graph/python/CMakeLists.txt b/ortools/graph/python/CMakeLists.txt
index 834732c5a1c..3ac194b613e 100644
--- a/ortools/graph/python/CMakeLists.txt
+++ b/ortools/graph/python/CMakeLists.txt
@@ -19,7 +19,6 @@ if(APPLE)
   set_target_properties(linear_sum_assignment_pybind11 PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    LINK_FLAGS "-flat_namespace -undefined suppress"
     )
 elseif(UNIX)
   set_target_properties(linear_sum_assignment_pybind11 PROPERTIES
@@ -37,7 +36,6 @@ if(APPLE)
   set_target_properties(max_flow_pybind11 PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    LINK_FLAGS "-flat_namespace -undefined suppress"
     )
 elseif(UNIX)
   set_target_properties(max_flow_pybind11 PROPERTIES
@@ -55,7 +53,6 @@ if(APPLE)
   set_target_properties(min_cost_flow_pybind11 PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    LINK_FLAGS "-flat_namespace -undefined suppress"
     )
 elseif(UNIX)
   set_target_properties(min_cost_flow_pybind11 PROPERTIES
diff --git a/ortools/init/python/CMakeLists.txt b/ortools/init/python/CMakeLists.txt
index 954c385b43c..ff471b294fc 100644
--- a/ortools/init/python/CMakeLists.txt
+++ b/ortools/init/python/CMakeLists.txt
@@ -19,15 +19,10 @@ set_target_properties(init_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(init_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET init_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(init_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 
 target_link_libraries(init_pybind11 PRIVATE ${PROJECT_NAMESPACE}::ortools)
diff --git a/ortools/linear_solver/python/CMakeLists.txt b/ortools/linear_solver/python/CMakeLists.txt
index 5f7738f72ca..c33c9a43c09 100644
--- a/ortools/linear_solver/python/CMakeLists.txt
+++ b/ortools/linear_solver/python/CMakeLists.txt
@@ -30,8 +30,7 @@ if(APPLE)
   set_target_properties(pywraplp PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../${PROJECT_NAME}/.libs")
-  set_property(TARGET pywraplp APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress")
+  target_link_options(pywraplp PRIVATE "LINKER:-undefined,dynamic_lookup")
 elseif(UNIX)
   set_target_properties(pywraplp PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../${PROJECT_NAME}/.libs")
@@ -57,22 +56,16 @@ target_include_directories(model_builder_helper_pybind11 PRIVATE
 if(APPLE)
   set_target_properties(model_builder_helper_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET model_builder_helper_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(model_builder_helper_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 
 target_link_libraries(model_builder_helper_pybind11 PRIVATE
   ${PROJECT_NAMESPACE}::ortools
   pybind11_native_proto_caster
-  Eigen3::Eigen
-)
+  Eigen3::Eigen)
 add_library(${PROJECT_NAMESPACE}::model_builder_helper_pybind11 ALIAS model_builder_helper_pybind11)
 
 if(BUILD_TESTING)
diff --git a/ortools/math_opt/core/python/CMakeLists.txt b/ortools/math_opt/core/python/CMakeLists.txt
index 8d6b7cb67d3..0b50e8d60f4 100644
--- a/ortools/math_opt/core/python/CMakeLists.txt
+++ b/ortools/math_opt/core/python/CMakeLists.txt
@@ -20,16 +20,11 @@ if(APPLE)
   set_target_properties(math_opt_pybind11 PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH
-      "@loader_path;@loader_path/../../../../${PYTHON_PROJECT}/.libs;@loader_path/../../../../pybind11_abseil"
-    )
-  set_property(TARGET math_opt_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+      "@loader_path;@loader_path/../../../../${PYTHON_PROJECT}/.libs;@loader_path/../../../../pybind11_abseil")
 elseif(UNIX)
   set_target_properties(math_opt_pybind11 PROPERTIES
     INSTALL_RPATH
-    "$ORIGIN:$ORIGIN/../../../../${PYTHON_PROJECT}/.libs:$ORIGIN/../../../../pybind11_abseil"
-    )
+    "$ORIGIN:$ORIGIN/../../../../${PYTHON_PROJECT}/.libs:$ORIGIN/../../../../pybind11_abseil")
 endif()
 
 target_link_libraries(math_opt_pybind11 PRIVATE
@@ -37,8 +32,7 @@ target_link_libraries(math_opt_pybind11 PRIVATE
   pybind11_abseil::absl_casters
   pybind11_abseil::status_casters
   pybind11_native_proto_caster
-  protobuf::libprotobuf
-  )
+  protobuf::libprotobuf)
 add_library(${PROJECT_NAMESPACE}::math_opt_pybind11 ALIAS math_opt_pybind11)
 
 if(BUILD_TESTING)
diff --git a/ortools/pdlp/python/CMakeLists.txt b/ortools/pdlp/python/CMakeLists.txt
index f01299634a0..2dc9532a311 100644
--- a/ortools/pdlp/python/CMakeLists.txt
+++ b/ortools/pdlp/python/CMakeLists.txt
@@ -18,19 +18,15 @@ set_target_properties(pdlp_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(pdlp_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(pdlp_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 target_link_libraries(pdlp_pybind11 PRIVATE
   ${PROJECT_NAMESPACE}::ortools
   pybind11_native_proto_caster
-  protobuf::libprotobuf
-)
+  protobuf::libprotobuf)
 target_include_directories(pdlp_pybind11 PRIVATE ${protobuf_SOURCE_DIR})
 add_library(${PROJECT_NAMESPACE}::pdlp_pybind11 ALIAS pdlp_pybind11)
 
diff --git a/ortools/routing/BUILD.bazel b/ortools/routing/BUILD.bazel
index d4fb4888b3a..7e41bf9b16c 100644
--- a/ortools/routing/BUILD.bazel
+++ b/ortools/routing/BUILD.bazel
@@ -291,4 +291,3 @@ cc_library(
         "@com_google_protobuf//:protobuf",
     ],
 )
-
diff --git a/ortools/routing/python/CMakeLists.txt b/ortools/routing/python/CMakeLists.txt
index 264e2288175..a85484bdae4 100644
--- a/ortools/routing/python/CMakeLists.txt
+++ b/ortools/routing/python/CMakeLists.txt
@@ -20,15 +20,10 @@ set_target_properties(routing_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(routing_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET routing_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(routing_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 
 target_link_libraries(routing_pybind11 PRIVATE
@@ -58,8 +53,7 @@ if(APPLE)
   set_target_properties(pywraprouting PROPERTIES
     SUFFIX ".so"
     INSTALL_RPATH "@loader_path;@loader_path/../../${PROJECT_NAME}/.libs")
-  set_property(TARGET pywraprouting APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress")
+  target_link_options(pywraprouting PRIVATE "LINKER:-undefined,dynamic_lookup")
 elseif(UNIX)
   set_target_properties(pywraprouting PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../${PROJECT_NAME}/.libs")
diff --git a/ortools/sat/python/CMakeLists.txt b/ortools/sat/python/CMakeLists.txt
index a1f46fc7d85..cf3e7d8d6a6 100644
--- a/ortools/sat/python/CMakeLists.txt
+++ b/ortools/sat/python/CMakeLists.txt
@@ -19,21 +19,15 @@ set_target_properties(swig_helper_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(swig_helper_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET swig_helper_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(swig_helper_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 target_link_libraries(swig_helper_pybind11 PRIVATE
   ${PROJECT_NAMESPACE}::ortools
   pybind11_native_proto_caster
-  protobuf::libprotobuf
-  )
+  protobuf::libprotobuf)
 
 target_include_directories(swig_helper_pybind11 PRIVATE ${protobuf_SOURCE_DIR})
 add_library(${PROJECT_NAMESPACE}::swig_helper_pybind11 ALIAS swig_helper_pybind11)
diff --git a/ortools/scheduling/python/CMakeLists.txt b/ortools/scheduling/python/CMakeLists.txt
index 386f6c28568..cccb40194e6 100644
--- a/ortools/scheduling/python/CMakeLists.txt
+++ b/ortools/scheduling/python/CMakeLists.txt
@@ -19,21 +19,15 @@ set_target_properties(rcpsp_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(rcpsp_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET rcpsp_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(rcpsp_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 target_link_libraries(rcpsp_pybind11 PRIVATE
   ${PROJECT_NAMESPACE}::ortools
   pybind11_native_proto_caster
-  protobuf::libprotobuf
-  )
+  protobuf::libprotobuf)
 
 target_include_directories(rcpsp_pybind11 PRIVATE ${protobuf_SOURCE_DIR})
 add_library(${PROJECT_NAMESPACE}::rcpsp_pybind11 ALIAS rcpsp_pybind11)
diff --git a/ortools/util/python/CMakeLists.txt b/ortools/util/python/CMakeLists.txt
index 3dc463b71e6..d4cac301cbc 100644
--- a/ortools/util/python/CMakeLists.txt
+++ b/ortools/util/python/CMakeLists.txt
@@ -19,15 +19,10 @@ set_target_properties(sorted_interval_list_pybind11 PROPERTIES
 if(APPLE)
   set_target_properties(sorted_interval_list_pybind11 PROPERTIES
     SUFFIX ".so"
-    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs"
-    )
-  set_property(TARGET sorted_interval_list_pybind11 APPEND PROPERTY
-    LINK_FLAGS "-flat_namespace -undefined suppress"
-    )
+    INSTALL_RPATH "@loader_path;@loader_path/../../../${PYTHON_PROJECT}/.libs")
 elseif(UNIX)
   set_target_properties(sorted_interval_list_pybind11 PROPERTIES
-    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs"
-    )
+    INSTALL_RPATH "$ORIGIN:$ORIGIN/../../../${PYTHON_PROJECT}/.libs")
 endif()
 
 target_link_libraries(sorted_interval_list_pybind11 PRIVATE ${PROJECT_NAMESPACE}::ortools)