diff --git a/Misc/NEWS.d/next/Windows/2021-09-03-18-05-21.bpo-45022.bgpD_r.rst b/Misc/NEWS.d/next/Windows/2021-09-03-18-05-21.bpo-45022.bgpD_r.rst
new file mode 100644
index 00000000000..8c19faad771
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2021-09-03-18-05-21.bpo-45022.bgpD_r.rst
@@ -0,0 +1 @@
+Update Windows release to include libffi 3.4.2
diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index ea85d98e12b..8fa2993e21f 100644
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -52,7 +52,7 @@ echo.Fetching external libraries...
set libraries=
set libraries=%libraries% bzip2-1.0.6
-if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries% libffi-3.3.0
+if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries% libffi-3.4.2
if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries% openssl-1.1.1l
set libraries=%libraries% sqlite-3.35.5.0
if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tcl-core-8.6.11.0
@@ -76,7 +76,7 @@ for %%e in (%libraries%) do (
echo.Fetching external binaries...
set binaries=
-if NOT "%IncludeLibffi%"=="false" set binaries=%binaries% libffi-3.3.0
+if NOT "%IncludeLibffi%"=="false" set binaries=%binaries% libffi-3.4.2
if NOT "%IncludeSSL%"=="false" set binaries=%binaries% openssl-bin-1.1.1l
if NOT "%IncludeTkinter%"=="false" set binaries=%binaries% tcltk-8.6.11.0
if NOT "%IncludeSSLSrc%"=="false" set binaries=%binaries% nasm-2.11.06
diff --git a/PCbuild/libffi.props b/PCbuild/libffi.props
index 975c4a0d355..22c9550e2c0 100644
--- a/PCbuild/libffi.props
+++ b/PCbuild/libffi.props
@@ -6,11 +6,11 @@
$(libffiOutDir);%(AdditionalLibraryDirectories)
- libffi-7.lib;%(AdditionalDependencies)
+ libffi-8.lib;%(AdditionalDependencies)
- <_LIBFFIDLL Include="$(libffiOutDir)\libffi-7.dll" />
+ <_LIBFFIDLL Include="$(libffiOutDir)\libffi-8.dll" />
diff --git a/PCbuild/python.props b/PCbuild/python.props
index 42c67de4afa..54dcef032e0 100644
--- a/PCbuild/python.props
+++ b/PCbuild/python.props
@@ -60,8 +60,8 @@
$(ExternalsDir)sqlite-3.35.5.0\$(ExternalsDir)bzip2-1.0.6\$(ExternalsDir)xz-5.2.2\
- $(ExternalsDir)libffi-3.3.0\
- $(ExternalsDir)libffi-3.3.0\$(ArchName)\
+ $(ExternalsDir)libffi-3.4.2\
+ $(ExternalsDir)libffi-3.4.2\$(ArchName)\$(libffiOutDir)include$(ExternalsDir)openssl-1.1.1l\$(ExternalsDir)openssl-bin-1.1.1l\$(ArchName)\