diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 16576d5..0ae1cb6 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -237,9 +237,9 @@
 
         result.extend([
           dict(
-              name="OpenSSL 1.0.1l",
-              url="https://www.openssl.org/source/openssl-1.0.1l.tar.gz",
-              checksum='cdb22925fc9bc97ccbf1e007661f2aa6',
+              name="OpenSSL 1.0.2",
+              url="https://www.openssl.org/source/openssl-1.0.2.tar.gz",
+              checksum='38373013fc85c790aabf8837969c5eba',
               patches=[
                   "openssl_sdk_makedepend.patch",
                    ],
diff --git a/Mac/BuildScript/openssl_sdk_makedepend.patch b/Mac/BuildScript/openssl_sdk_makedepend.patch
index a72f5a3..c2e66c2 100644
--- a/Mac/BuildScript/openssl_sdk_makedepend.patch
+++ b/Mac/BuildScript/openssl_sdk_makedepend.patch
@@ -1,16 +1,18 @@
+# HG changeset patch
+# Parent  973741cf5a045b2ba895094d98b2c3649dc00b61
 # openssl_sdk_makedepend.patch
 #
-# 	using openssl 1.0.1k
+# 	using openssl 1.0.2
 #
 # - support building with an OS X SDK
 # - allow "make depend" to use compilers with names other than "gcc"
 
 diff Configure
 
-diff -r 99ae439a07f1 Configure
---- a/Configure	Fri Jan 09 12:50:43 2015 -0800
-+++ b/Configure	Fri Jan 09 12:53:52 2015 -0800
-@@ -577,11 +577,11 @@
+diff -r 973741cf5a04 Configure
+--- a/Configure	Thu Mar 05 13:45:59 2015 -0800
++++ b/Configure	Thu Mar 05 14:00:20 2015 -0800
+@@ -617,12 +617,12 @@
  
  ##### MacOS X (a.k.a. Rhapsody or Darwin) setup
  "rhapsody-ppc-cc","cc:-O3 -DB_ENDIAN::(unknown):MACOSX_RHAPSODY::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}::",
@@ -18,16 +20,18 @@
 -"darwin64-ppc-cc","cc:-arch ppc64 -O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc64_asm}:osx64:dlfcn:darwin-shared:-fPIC -fno-common:-arch ppc64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 -"darwin-i386-cc","cc:-arch i386 -O3 -fomit-frame-pointer -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:".eval{my $asm=$x86_asm;$asm=~s/cast\-586\.o//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 -"debug-darwin-i386-cc","cc:-arch i386 -g3 -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:${x86_asm}:macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
--"darwin64-x86_64-cc","cc:-arch x86_64 -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+-"darwin64-x86_64-cc","cc:-arch x86_64 -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+-"debug-darwin64-x86_64-cc","cc:-arch x86_64 -ggdb -g2 -O0 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 +"darwin-ppc-cc","cc:-arch ppc -isysroot \$(OSX_SDK) -O3 -DB_ENDIAN -Wa,-force_cpusubtype_ALL::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc32_asm}:osx32:dlfcn:darwin-shared:-fPIC -fno-common:-arch ppc -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 +"darwin64-ppc-cc","cc:-arch ppc64 -isysroot \$(OSX_SDK) -O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc64_asm}:osx64:dlfcn:darwin-shared:-fPIC -fno-common:-arch ppc64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 +"darwin-i386-cc","cc:-arch i386 -isysroot \$(OSX_SDK) -O3 -fomit-frame-pointer -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:".eval{my $asm=$x86_asm;$asm=~s/cast\-586\.o//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 +"debug-darwin-i386-cc","cc:-arch i386 -isysroot \$(OSX_SDK) -g3 -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:${x86_asm}:macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
-+"darwin64-x86_64-cc","cc:-arch x86_64 -isysroot \$(OSX_SDK) -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
++"darwin64-x86_64-cc","cc:-arch x86_64 -isysroot \$(OSX_SDK) -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
++"debug-darwin64-x86_64-cc","cc:-arch x86_64 -isysroot \$(OSX_SDK) -ggdb -g2 -O0 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
  "debug-darwin-ppc-cc","cc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DB_ENDIAN -g -Wall -O::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc32_asm}:osx32:dlfcn:darwin-shared:-fPIC:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
  # iPhoneOS/iOS
  "iphoneos-cross","llvm-gcc:-O3 -isysroot \$(CROSS_TOP)/SDKs/\$(CROSS_SDK) -fomit-frame-pointer -fno-common::-D_REENTRANT:iOS:-Wl,-search_paths_first%:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}:dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
-@@ -1629,7 +1629,7 @@
+@@ -1685,7 +1685,7 @@
  		s/^CC=.*$/CC= $cc/;
  		s/^AR=\s*ar/AR= $ar/;
  		s/^RANLIB=.*/RANLIB= $ranlib/;
@@ -36,9 +40,9 @@
  		}
  	s/^CFLAG=.*$/CFLAG= $cflags/;
  	s/^DEPFLAG=.*$/DEPFLAG=$depflags/;
-diff -r 99ae439a07f1 util/domd
---- a/util/domd	Fri Jan 09 12:50:43 2015 -0800
-+++ b/util/domd	Fri Jan 09 12:53:52 2015 -0800
+diff -r 973741cf5a04 util/domd
+--- a/util/domd	Thu Mar 05 13:45:59 2015 -0800
++++ b/util/domd	Thu Mar 05 14:00:20 2015 -0800
 @@ -14,7 +14,7 @@
  cp Makefile Makefile.save
  # fake the presence of Kerberos
diff --git a/Misc/NEWS b/Misc/NEWS
index 29c6214..fccf846 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -71,6 +71,8 @@
 - Issue #23445: pydebug builds now use "gcc -Og" where possible, to make
   the resulting executable faster.
 
+- Issue #23594: Update OS X 10.5 installer build to use OpenSSL 1.0.2.
+
 
 What's New in Python 3.4.3?
 ===========================