diff --git a/CMakeLists.txt b/CMakeLists.txt
index d80d149..d9c47b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.18)
+cmake_minimum_required(VERSION 3.22)
 
 project(campo
   VERSION 0.3.11
@@ -19,8 +19,10 @@ set(${PROJECT_NAME}_ORGANISATION_NAME "Computational Geography group, Dept. of P
 set(${PROJECT_NAME}_COPYRIGHT
      "2020 - ${DEV_CURRENT_YEAR}, ${${PROJECT_NAME}_ORGANISATION_NAME}")
 
+find_package(Python 3.8
+  REQUIRED COMPONENTS Interpreter
+)
 
-find_package (Python3 COMPONENTS Interpreter NumPy)
 include(FetchContent)
 
 enable_testing()
@@ -46,8 +48,8 @@ message(STATUS "Campo configuration summary:")
 message(STATUS "  Version:                " ${${PROJECT_NAME}_VERSION})
 message(STATUS "  Installation directory: " ${CAMPO_INSTALL_DIR} )
 message(STATUS "  Build configuration:")
-message(STATUS "    Python interpreter:   " ${Python3_EXECUTABLE})
-message(STATUS "    Python version:       " ${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}.${Python3_VERSION_PATCH})
-message(STATUS "    Site-packages:        " ${Python3_SITELIB})
+message(STATUS "    Python interpreter:   " ${Python_EXECUTABLE})
+message(STATUS "    Python version:       " ${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}.${Python_VERSION_PATCH})
+message(STATUS "    Site-packages:        " ${Python_SITELIB})
 message(STATUS "  Build wheel           : " ${CAMPO_BUILD_WHEEL} )
 message(STATUS "-------------------------------------------------")
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 899402a..0c6c21e 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -18,7 +18,7 @@ install(
 
 if(CAMPO_BUILD_WHEEL)
 
-  install(CODE "execute_process(COMMAND ${Python3_EXECUTABLE} setup.py sdist bdist_wheel
+  install(CODE "execute_process(COMMAND ${Python_EXECUTABLE} setup.py sdist bdist_wheel
                                 WORKING_DIRECTORY ${CAMPO_INSTALL_DIR})")
 endif()
 
diff --git a/source/test/CMakeLists.txt b/source/test/CMakeLists.txt
index b0493dd..efc9d17 100644
--- a/source/test/CMakeLists.txt
+++ b/source/test/CMakeLists.txt
@@ -22,7 +22,7 @@ add_custom_command(
   OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/unit_tests.py
   DEPENDS ${SOURCES}
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-  COMMENT "Copying sources..."
+  COMMENT "Copying test sources..."
   COMMAND ${CMAKE_COMMAND} -E copy ${SOURCES} ${CMAKE_CURRENT_BINARY_DIR}
 )
 
@@ -31,7 +31,7 @@ add_test(
   NAME
     campo_unit_tests
   COMMAND
-    ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/unit_tests.py
+    ${Python_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/unit_tests.py
 )