diff --git a/CMakeLists.txt b/CMakeLists.txt
index debaac4..eca97b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -119,7 +119,7 @@ if(WIN32)
 	add_definitions(-D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS)
 	add_definitions(-DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600)
 	add_definitions(-DCPPFLAGS -DNO_SYSLOG -DNO_CRYPT)
-	set(PLATFORM_LIBS ${PLATFORM_LIBS} ws2_32)
+	set(PLATFORM_LIBS ${PLATFORM_LIBS} ws2_32 bcrypt)
 endif()
 
 if(MSVC)
diff --git a/README.md b/README.md
index 833f0d4..f2f5ab0 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,9 @@ At the time of this writing, LibreSSL is known to build and work on:
 * AIX (5.3 and later)
 
 LibreSSL also supports the following Windows environments:
-* Microsoft Windows (Vista or higher, x86 and x64)
+* Microsoft Windows (Windows 7 / Windows Server 2008r2 or later, x86 and x64)
 * Wine (32-bit and 64-bit)
-* Builds with Mingw-w64, Cygwin, and Visual Studio
+* Mingw-w64, Cygwin, and Visual Studio
 
 Official release tarballs are available at your friendly neighborhood
 OpenBSD mirror in directory
diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index 8241aee..c014efb 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -112,7 +112,7 @@ char buf[1]; getentropy(buf, 1);
 		CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS"
 		CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600"
 		CPPFLAGS="$CPPFLAGS"
-		AC_SUBST([PLATFORM_LDADD], ['-lws2_32'])
+		AC_SUBST([PLATFORM_LDADD], ['-lws2_32 -lbcrypt'])
 		;;
 	*solaris*)
 		HOST_OS=solaris