diff --git a/llvm/cmake/modules/CheckCompilerVersion.cmake b/llvm/cmake/modules/CheckCompilerVersion.cmake
--- a/llvm/cmake/modules/CheckCompilerVersion.cmake
+++ b/llvm/cmake/modules/CheckCompilerVersion.cmake
@@ -8,8 +8,8 @@
 set(GCC_SOFT_ERROR 7.1)
 set(CLANG_MIN 5.0)
 set(CLANG_SOFT_ERROR 5.0)
-set(APPLECLANG_MIN 9.3)
-set(APPLECLANG_SOFT_ERROR 9.3)
+set(APPLECLANG_MIN 10.0)
+set(APPLECLANG_SOFT_ERROR 10.0)
 
 # https://en.wikipedia.org/wiki/Microsoft_Visual_C#Internal_version_numbering
 # _MSC_VER == 1927 MSVC++ 14.27 Visual Studio 2019 Version 16.7
diff --git a/llvm/docs/GettingStarted.rst b/llvm/docs/GettingStarted.rst
--- a/llvm/docs/GettingStarted.rst
+++ b/llvm/docs/GettingStarted.rst
@@ -239,7 +239,7 @@
 popular host toolchains for specific minimum versions in our build systems:
 
 * Clang 5.0
-* Apple Clang 9.3
+* Apple Clang 10.0
 * GCC 7.1
 * Visual Studio 2019 16.7
 
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -61,7 +61,7 @@
 
 * GCC >= 7.1
 * Clang >= 5.0
-* Apple Clang >= 9.3
+* Apple Clang >= 10.0
 * Visual Studio 2019 >= 16.7
 
 Changes to the LLVM IR