diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85ecd9028f..e24286023d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@
 # All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.12.4)
 
 if (POLICY CMP0048)
   # cmake warns if loaded from a min-3.0-required parent dir, so silence the warning:
diff --git a/tools/FindPythonLibsNew.cmake b/tools/FindPythonLibsNew.cmake
index 919a384ea4..04336a651c 100644
--- a/tools/FindPythonLibsNew.cmake
+++ b/tools/FindPythonLibsNew.cmake
@@ -57,12 +57,12 @@ endif()
 
 # Use the Python interpreter to find the libs.
 if(PythonLibsNew_FIND_REQUIRED)
-    find_package(PythonInterp ${PythonLibsNew_FIND_VERSION} REQUIRED)
+    find_package(Python ${PythonLibsNew_FIND_VERSION} REQUIRED)
 else()
-    find_package(PythonInterp ${PythonLibsNew_FIND_VERSION})
+    find_package(Python ${PythonLibsNew_FIND_VERSION})
 endif()
 
-if(NOT PYTHONINTERP_FOUND)
+if(NOT Python_FOUND)
     set(PYTHONLIBS_FOUND FALSE)
     return()
 endif()
@@ -73,7 +73,7 @@ endif()
 #
 # The library suffix is from the config var LDVERSION sometimes, otherwise
 # VERSION. VERSION will typically be like "2.7" on unix, and "27" on windows.
-execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
+execute_process(COMMAND "${Python_EXECUTABLE}" "-c"
     "from distutils import sysconfig as s;import sys;import struct;
 print('.'.join(str(v) for v in sys.version_info));
 print(sys.prefix);
@@ -193,6 +193,6 @@ SET(PYTHON_DEBUG_LIBRARIES "${PYTHON_DEBUG_LIBRARY}")
 
 find_package_message(PYTHON
     "Found PythonLibs: ${PYTHON_LIBRARY}"
-    "${PYTHON_EXECUTABLE}${PYTHON_VERSION}")
+    "${Python_EXECUTABLE}${PYTHON_VERSION}")
 
 set(PYTHONLIBS_FOUND TRUE)