diff --git a/Misc/NEWS.d/next/Windows/2018-04-13-11-28-55.bpo-33184.7YhqQE.rst b/Misc/NEWS.d/next/Windows/2018-04-13-11-28-55.bpo-33184.7YhqQE.rst
new file mode 100644
index 0000000..ca47a98
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2018-04-13-11-28-55.bpo-33184.7YhqQE.rst
@@ -0,0 +1 @@
+Update Windows installer to use OpenSSL 1.1.0h.
diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index 6d30751..f4bde04 100644
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -49,7 +49,7 @@
 
 set libraries=
 set libraries=%libraries%                                       bzip2-1.0.6
-if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries%     openssl-1.1.0f
+if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries%     openssl-1.1.0h
 set libraries=%libraries%                                       sqlite-3.21.0.0
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tcl-core-8.6.8.0
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tk-8.6.8.0
@@ -72,7 +72,7 @@
 echo.Fetching external binaries...
 
 set binaries=
-if NOT "%IncludeSSL%"=="false"     set binaries=%binaries% openssl-bin-1.1.0f
+if NOT "%IncludeSSL%"=="false"     set binaries=%binaries% openssl-bin-1.1.0h
 if NOT "%IncludeTkinter%"=="false" set binaries=%binaries% tcltk-8.6.8.0
 if NOT "%IncludeSSLSrc%"=="false"  set binaries=%binaries% nasm-2.11.06
 
diff --git a/PCbuild/python.props b/PCbuild/python.props
index f943313..f7adaf4 100644
--- a/PCbuild/python.props
+++ b/PCbuild/python.props
@@ -49,8 +49,8 @@
     <sqlite3Dir>$(ExternalsDir)sqlite-3.21.0.0\</sqlite3Dir>
     <bz2Dir>$(ExternalsDir)bzip2-1.0.6\</bz2Dir>
     <lzmaDir>$(ExternalsDir)xz-5.2.2\</lzmaDir>
-    <opensslDir>$(ExternalsDir)openssl-1.1.0f\</opensslDir>
-    <opensslOutDir>$(ExternalsDir)openssl-bin-1.1.0f\$(ArchName)\</opensslOutDir>
+    <opensslDir>$(ExternalsDir)openssl-1.1.0h\</opensslDir>
+    <opensslOutDir>$(ExternalsDir)openssl-bin-1.1.0h\$(ArchName)\</opensslOutDir>
     <opensslIncludeDir>$(opensslOutDir)include</opensslIncludeDir>
     <nasmDir>$(ExternalsDir)\nasm-2.11.06\</nasmDir>
     <zlibDir>$(ExternalsDir)\zlib-1.2.11\</zlibDir>
diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index d28435b..1f2fb92 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -165,7 +165,7 @@
     Homepage:
         http://tukaani.org/xz/
 _ssl
-    Python wrapper for version 1.0.2k of the OpenSSL secure sockets
+    Python wrapper for version 1.1.0h of the OpenSSL secure sockets
     library, which is downloaded from our binaries repository at
     https://github.com/python/cpython-bin-deps.