--- a/configure.in
+++ b/configure.in
@@ -525,17 +525,17 @@ case "$target" in
         AC_DEFINE(_CRT_NONSTDC_NO_WARNINGS)
         AC_DEFINE(_USE_MATH_DEFINES) # Otherwise MSVC's math.h doesn't #define M_PI.
 
         if test "$_CC_MAJOR_VERSION" = "18" -a "$_CC_BUILD_VERSION" -ge "30723"; then
             _CC_SUITE=12
             MSVS_VERSION=2013
             MSVC_C_RUNTIME_DLL=msvcr120.dll
             MSVC_CXX_RUNTIME_DLL=msvcp120.dll
-        elif test "$_CC_MAJOR_VERSION" = "19"; then
+        elif test "$_CC_MAJOR_VERSION" = "19" -a "$_CC_BUILD_VERSION" -ge "23506"; then
             _CC_SUITE=14
             MSVS_VERSION=2015
             MSVC_C_RUNTIME_DLL=vcruntime140.dll
             MSVC_CXX_RUNTIME_DLL=msvcp140.dll
             MSVC_APPCRT_DLL=appcrt140.dll
             MSVC_DESKTOPCRT_DLL=desktopcrt140.dll
 
             # -Wv:18 disables all warnings introduced after VS2013
@@ -552,17 +552,17 @@ case "$target" in
 
             # https://connect.microsoft.com/VisualStudio/feedback/details/888527/warnings-on-dbghelp-h
             # for dbghelp.h, imagehlp.h, and shobj.h
             # C4091: 'typedef ': ignored on left of '' when no variable is declared
             CFLAGS="$CFLAGS -wd4091"
             CXXFLAGS="$CXXFLAGS -wd4091"
         else
             AC_MSG_ERROR([This version (${_CC_MAJOR_VERSION}.${_CC_MINOR_VERSION}.${_CC_BUILD_VERSION}) of the MSVC compiler is unsupported.
-You must install Visual C++ 2013 Update 3 or newer in order to build.
+You must install Visual C++ 2013 Update 3, Visual C++ 2015 Update 1, or newer in order to build.
 See https://developer.mozilla.org/en/Windows_Build_Prerequisites.])
         fi
         AC_SUBST(MSVS_VERSION)
         AC_SUBST(MSVC_C_RUNTIME_DLL)
         AC_SUBST(MSVC_CXX_RUNTIME_DLL)
         AC_SUBST(MSVC_APPCRT_DLL)
         AC_SUBST(MSVC_DESKTOPCRT_DLL)