diff --git a/BUILDING.md b/BUILDING.md
index 4dcd0f4..f915d85 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -32,9 +32,9 @@
 
   * C and C++ compilers with C++14 support are required. If using a C compiler
     other than MSVC, C11 support is also requried. On Windows, MSVC from
-    Visual Studio 2017 or later with Platform SDK 8.1 or later are supported,
-    but newer versions are recommended. Recent versions of GCC (6.1+) and Clang
-    should work on non-Windows platforms, and maybe on Windows too.
+    Visual Studio 2019 or later with Windows 10 SDK 2104 or later are supported,
+    but using the latest versions is recommended. Recent versions of GCC (6.1+)
+    and Clang should work on non-Windows platforms, and maybe on Windows too.
 
   * The most recent stable version of [Go](https://golang.org/dl/) is required.
     Note Go is exempt from the five year support window. If not found by CMake,
diff --git a/CMakeLists.txt b/CMakeLists.txt
index aac5f0d..c939e42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -203,11 +203,6 @@
   set(MSVC_DISABLED_WARNINGS_LIST
       "C4100" # 'exarg' : unreferenced formal parameter
       "C4127" # conditional expression is constant
-      # C4204 and C4221 are C89-only restrictions which were dropped in C99, but
-      # VS2017 warns about it. They can be removed when we require VS2019.
-      "C4204" # nonstandard extension used: non-constant aggregate initializer
-      "C4221" # nonstandard extension used : 'identifier' : cannot be
-              # initialized using address of automatic variable
       "C4244" # 'function' : conversion from 'int' to 'uint8_t',
               # possible loss of data
       "C4267" # conversion from 'size_t' to 'int', possible loss of data
diff --git a/util/bot/DEPS b/util/bot/DEPS
index 46d86e3..e60ecad 100644
--- a/util/bot/DEPS
+++ b/util/bot/DEPS
@@ -19,7 +19,7 @@
   'checkout_sde': False,
   'checkout_nasm': False,
   'checkout_libcxx': False,
-  'vs_version': '2017',
+  'vs_version': '2019',
 
   # Run the following command to see the latest builds in CIPD:
   #  cipd describe PACKAGE_NAME -version latest