diff --git a/cmake/python.cmake b/cmake/python.cmake
index d35407d066..61ed053f74 100644
--- a/cmake/python.cmake
+++ b/cmake/python.cmake
@@ -382,7 +382,7 @@ if(BUILD_VENV)
     COMMAND ${VENV_Python3_EXECUTABLE} -m pip install
       --find-links=${CMAKE_CURRENT_BINARY_DIR}/python/dist ${PYTHON_PROJECT}==${PROJECT_VERSION}
     # install modules only required to run examples
-    COMMAND ${VENV_Python3_EXECUTABLE} -m pip install pandas matplotlib pytest
+    COMMAND ${VENV_Python3_EXECUTABLE} -m pip install pandas matplotlib pytest scipy
     BYPRODUCTS ${VENV_DIR}
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     COMMENT "Create venv and install ${PYTHON_PROJECT}"
diff --git a/ortools/python/setup.py.in b/ortools/python/setup.py.in
index 86e584a95d..28dc18b096 100644
--- a/ortools/python/setup.py.in
+++ b/ortools/python/setup.py.in
@@ -46,7 +46,6 @@ setup(
         'absl-py >= 0.13',
         'numpy >= 1.13.3',
         'protobuf >= 4.23.2',
-        'scipy >= 1.10.0',
     ],
     package_data={
         '@PYTHON_PROJECT@':[$<$<STREQUAL:$<TARGET_PROPERTY:@PROJECT_NAME@,TYPE>,SHARED_LIBRARY>:'.libs/*','../$<TARGET_SONAME_FILE_NAME:@PROJECT_NAME@>'>],