diff --git a/README.md b/README.md
index f6023ceb6d1f..beb788af19ff 100644
--- a/README.md
+++ b/README.md
@@ -158,7 +158,7 @@ They require JetPack 4.2 and above, and [@dusty-nv](https://github.com/dusty-nv)
 #### Prerequisites
 If you are installing from source, you will need:
 - Python 3.8 or later (for Linux, Python 3.8.1+ is needed)
-- A compiler that fully supports C++17, such as clang or gcc (especially for aarch64, gcc 9.4.0 or newer is required)
+- A compiler that fully supports C++17, such as clang or gcc (gcc 9.4.0 or newer is required)
 
 We highly recommend installing an [Anaconda](https://www.anaconda.com/download) environment. You will get a high-quality BLAS library (MKL) and you get controlled dependency versions regardless of your Linux distro.
 
diff --git a/c10/util/C++17.h b/c10/util/C++17.h
index 0597544ffba9..6007360c6927 100644
--- a/c10/util/C++17.h
+++ b/c10/util/C++17.h
@@ -12,14 +12,14 @@
 #include <utility>
 
 #if !defined(__clang__) && !defined(_MSC_VER) && defined(__GNUC__) && \
-    __GNUC__ < 5
+    __GNUC__ < 9
 #error \
-    "You're trying to build PyTorch with a too old version of GCC. We need GCC 5 or later."
+    "You're trying to build PyTorch with a too old version of GCC. We need GCC 9 or later."
 #endif
 
-#if defined(__clang__) && __clang_major__ < 4
+#if defined(__clang__) && __clang_major__ < 9
 #error \
-    "You're trying to build PyTorch with a too old version of Clang. We need Clang 4 or later."
+    "You're trying to build PyTorch with a too old version of Clang. We need Clang 9 or later."
 #endif
 
 #if (defined(_MSC_VER) && (!defined(_MSVC_LANG) || _MSVC_LANG < 201703L)) || \