diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6d196d..2957e60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 # Ceres Solver - A fast non-linear least squares minimizer
-# Copyright 2022 Google Inc. All rights reserved.
+# Copyright 2023 Google Inc. All rights reserved.
 # http://ceres-solver.org/
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,23 +29,7 @@
 # Authors: keir@google.com (Keir Mierle)
 #          alexs.mac@gmail.com (Alex Stewart)
 
-cmake_minimum_required(VERSION 3.11)
-
-if (POLICY CMP0074) # Added in CMake 3.12
-  # FindTBB.cmake uses TBB_ROOT in a way that is historical, but also compliant
-  # with CMP0074 so suppress the legacy compatibility warning and allow its use.
-  cmake_policy(SET CMP0074 NEW)
-endif()
-
-# TODO(sameeragarwal): This should be removed when we go past CMake
-# 3.12 as required as it provides alternate ways of finding the Python
-# interpreter.
-if (POLICY CMP0148)
-  # FindSphinx.cmake uses find_package(PythonInterp 3), which has been deprecated
-  # in cmake 3.27. So use the old behaviour till we update our minimum required
-  # cmake version to 3.27
-  cmake_policy(SET CMP0148 OLD)
-endif()
+cmake_minimum_required(VERSION 3.16...3.27)
 
 # On macOS, add the Homebrew prefix (with appropriate suffixes) to the
 # respective HINTS directories (after any user-specified locations).  This
@@ -169,11 +153,6 @@
 if (ANDROID)
   option(ANDROID_STRIP_DEBUG_SYMBOLS "Strip debug symbols from Android builds (reduces file sizes)" ON)
 endif()
-if (MSVC)
-  # TODO Not needed starting CMake 3.15 which provides CMAKE_MSVC_RUNTIME_LIBRARY
-  option(MSVC_USE_STATIC_CRT
-    "MS Visual Studio: Use static C-Run Time Library in place of shared." OFF)
-endif()
 
 # IOS is defined iff using the iOS.cmake CMake toolchain to build a static
 # library for iOS.
@@ -575,29 +554,6 @@
   # the warnings.
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4049")
 
-  # Update the C/CXX flags for MSVC to use either the static or shared
-  # C-Run Time (CRT) library based on the user option: MSVC_USE_STATIC_CRT.
-  list(APPEND C_CXX_FLAGS
-    CMAKE_CXX_FLAGS
-    CMAKE_CXX_FLAGS_DEBUG
-    CMAKE_CXX_FLAGS_RELEASE
-    CMAKE_CXX_FLAGS_MINSIZEREL
-    CMAKE_CXX_FLAGS_RELWITHDEBINFO)
-
-  foreach(FLAG_VAR ${C_CXX_FLAGS})
-    if (MSVC_USE_STATIC_CRT)
-      # Use static CRT.
-      if (${FLAG_VAR} MATCHES "/MD")
-        string(REGEX REPLACE "/MD" "/MT" ${FLAG_VAR} "${${FLAG_VAR}}")
-      endif (${FLAG_VAR} MATCHES "/MD")
-    else (MSVC_USE_STATIC_CRT)
-      # Use shared, not static, CRT.
-      if (${FLAG_VAR} MATCHES "/MT")
-        string(REGEX REPLACE "/MT" "/MD" ${FLAG_VAR} "${${FLAG_VAR}}")
-      endif (${FLAG_VAR} MATCHES "/MT")
-    endif (MSVC_USE_STATIC_CRT)
-  endforeach()
-
   # Tuple sizes of 10 are used by Gtest.
   add_definitions("-D_VARIADIC_MAX=10")
 
@@ -650,14 +606,7 @@
   endif(HAVE_RETURN_TYPE_C_LINKAGE)
 endif ()
 
-if (CMAKE_VERSION VERSION_LESS 3.12)
-  # Disable the definition of min/max macros within the project
-  if (WIN32)
-    add_definitions (-DNOMINMAX)
-  endif (WIN32)
-else (CMAKE_VERSION VERSION_LESS 3.12)
-  add_compile_definitions($<$<BOOL:${WIN32}>:NOMINMAX>)
-endif (CMAKE_VERSION VERSION_LESS 3.12)
+add_compile_definitions($<$<BOOL:${WIN32}>:NOMINMAX>)
 
 # Configure the Ceres config.h compile options header using the current
 # compile options and put the configured header into the Ceres build
diff --git a/cmake/FindSphinx.cmake b/cmake/FindSphinx.cmake
index fa5925d..52a456c 100644
--- a/cmake/FindSphinx.cmake
+++ b/cmake/FindSphinx.cmake
@@ -1,5 +1,5 @@
 # Ceres Solver - A fast non-linear least squares minimizer
-# Copyright 2015 Google Inc. All rights reserved.
+# Copyright 2023 Google Inc. All rights reserved.
 # http://ceres-solver.org/
 #
 # Redistribution and use in source and binary forms, with or without
@@ -37,27 +37,24 @@
 
 find_program(SPHINX_EXECUTABLE
              NAMES sphinx-build
-             PATHS
-               /usr/bin
-               /usr/local/bin
-               /opt/local/bin
+             PATHS /opt/local/bin
              DOC "Sphinx documentation generator")
 
 if (SPHINX_EXECUTABLE)
 
-  find_package(PythonInterp 3)
+  find_package(Python COMPONENTS Interpreter)
 
-  if(PYTHONINTERP_FOUND)
+  if(Python_Interpreter_FOUND)
     # Check for sphinx theme dependency for documentation
     execute_process(
-      COMMAND ${PYTHON_EXECUTABLE} -c "import sphinx_rtd_theme"
+      COMMAND ${Python_EXECUTABLE} -c "import sphinx_rtd_theme"
       RESULT_VARIABLE SPHINX_RTD_THEME
       OUTPUT_QUIET
       ERROR_QUIET
     )
   endif ()
 
-  if (${SPHINX_RTD_THEME} EQUAL 0)
+  if (SPHINX_RTD_THEME EQUAL 0)
     set(SPHINX_RTD_THEME TRUE)
   else ()
     set(SPHINX_RTD_THEME FALSE)
diff --git a/docs/source/CMakeLists.txt b/docs/source/CMakeLists.txt
index 2b6d749..144316d 100644
--- a/docs/source/CMakeLists.txt
+++ b/docs/source/CMakeLists.txt
@@ -9,12 +9,12 @@
         COMPONENT Doc
         PATTERN "${SPHINX_HTML_DIR}/*")
 
-# Find python 3
-find_package(PythonInterp 3 REQUIRED)
+# Find python
+find_package(Python REQUIRED COMPONENTS Interpreter)
 
 # Building using 'make_docs.py' python script
 add_custom_target(ceres_docs ALL
-                  ${PYTHON_EXECUTABLE}
+                  $<TARGET_FILE:Python::Interpreter>
                   "${Ceres_SOURCE_DIR}/scripts/make_docs.py"
                   "${Ceres_SOURCE_DIR}"
                   "${Ceres_BINARY_DIR}/docs"
diff --git a/docs/source/installation.rst b/docs/source/installation.rst
index 3838ccb..ed4df87 100644
--- a/docs/source/installation.rst
+++ b/docs/source/installation.rst
@@ -29,7 +29,7 @@
 optional. For details on customizing the build process, see
 :ref:`section-customizing` .
 
-- `CMake <http://www.cmake.org>`_ 3.10 or later **required**.
+- `CMake <http://www.cmake.org>`_ 3.16 or later **required**.
 
 - `Eigen <http://eigen.tuxfamily.org/index.php?title=Main_Page>`_
   3.3 or later **required**.
diff --git a/internal/ceres/CMakeLists.txt b/internal/ceres/CMakeLists.txt
index b3a7a96..4125eca 100644
--- a/internal/ceres/CMakeLists.txt
+++ b/internal/ceres/CMakeLists.txt
@@ -81,15 +81,9 @@
 # to a different value than Eigen's default.  Depending on the order of files
 # in the unity build this can lead to clashes.  Additionally, these files are
 # already generated in a way which leads to fairly large compilation units,
-# so the gains from a unity build would be marginal.  Since this property is
-# not available before cmake 3.16, unity build is only available from this
-# version on.
-if (NOT CMAKE_VERSION VERSION_LESS 3.16)
-  set_source_files_properties(${CERES_INTERNAL_SCHUR_FILES} PROPERTIES
-    SKIP_UNITY_BUILD_INCLUSION ON)
-elseif(CMAKE_UNITY_BUILD)
-  message(FATAL_ERROR "Unity build requires cmake 3.16 or newer.  Please unset CMAKE_UNITY_BUILD.")
-endif()
+# so the gains from a unity build would be marginal.
+set_source_files_properties(${CERES_INTERNAL_SCHUR_FILES} PROPERTIES
+  SKIP_UNITY_BUILD_INCLUSION ON)
 
 if (NOT MINIGLOG AND GLOG_FOUND)
   list(APPEND CERES_LIBRARY_PUBLIC_DEPENDENCIES ${GLOG_LIBRARIES})