diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07a89a81..50b0b789 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,12 +3,7 @@
 # Consult LICENSE.txt for licensing information.
 #-----------------------------------------------------------------------------------------------------------------------
 
-if(CMAKE_MAJOR_VERSION VERSION_EQUAL "4")
-    cmake_minimum_required(VERSION 3.10)
-else()
-    # for android builds
-    cmake_minimum_required(VERSION 3.4)
-endif()
+cmake_minimum_required(VERSION 3.10)
 
 project(PDFNetLanguageBindings CXX)
 
diff --git a/PDFNetPHP/CMakeLists.txt b/PDFNetPHP/CMakeLists.txt
index fde686bb..b7da450d 100644
--- a/PDFNetPHP/CMakeLists.txt
+++ b/PDFNetPHP/CMakeLists.txt
@@ -4,7 +4,8 @@
 #-----------------------------------------------------------------------------------------------------------------------
 
 project(PDFNetPHP CXX)
-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.10)
+
 
 find_program(PHP_CONFIG_EXECUTABLE NAMES php-config7 php-config5 php-config4 php-config)
 if (NOT PHP_CONFIG_EXECUTABLE)
diff --git a/PDFNetRuby/CMakeLists.txt b/PDFNetRuby/CMakeLists.txt
index c9f26cd0..a68b3613 100644
--- a/PDFNetRuby/CMakeLists.txt
+++ b/PDFNetRuby/CMakeLists.txt
@@ -3,8 +3,9 @@
 # Consult LICENSE.txt for licensing information.
 #-----------------------------------------------------------------------------------------------------------------------
 
+cmake_minimum_required(VERSION 3.10)
+
 project(PDFNetRuby CXX)
-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
 
 # Checks the header and library directory of the current active ruby install
 # This will respond to virtual enviroments
@@ -72,13 +73,7 @@ elseif (UNIX)
     set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -fPIC")
     if (APPLE)
         set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-headerpad_max_install_names -lSystem -undefined dynamic_lookup -Wl,-install_name,@rpath/PDFNetRuby.bundle -Wl,-rpath,/usr/lib -Wl,-rpath,/usr/local/lib -Wl,-rpath,.")
-        if(BUILD_MACOS_ARM64)
-            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -target arm64-apple-macos11")
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -target arm64-apple-macos11")
-            set(CMAKE_OSX_SYSROOT "/Applications/Xcode_12.3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk")
-        else(BUILD_MACOS_ARM64)
-            set(CMAKE_OSX_SYSROOT "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk")
-        endif(BUILD_MACOS_ARM64)
+        set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64")
     else ()
         set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-rpath,'$ORIGIN'")
     endif ()
diff --git a/PDFTronGo/CMakeLists.txt b/PDFTronGo/CMakeLists.txt
index eb67d30f..1b2f0d17 100644
--- a/PDFTronGo/CMakeLists.txt
+++ b/PDFTronGo/CMakeLists.txt
@@ -4,7 +4,7 @@
 #-----------------------------------------------------------------------------------------------------------------------
 
 project(PDFTronGo CXX)
-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.10)
 
 find_program(GO_EXECUTABLE go PATHS $ENV{HOME}/go ENV GOROOT GOPATH PATH_SUFFIXES bin)
 if(GO_EXECUTABLE)