diff --git a/build-libssl.sh b/build-libssl.sh
index 7602fa7..3e77c9e 100755
--- a/build-libssl.sh
+++ b/build-libssl.sh
@@ -31,12 +31,12 @@ DEFAULTVERSION="1.1.1d"
 #DEFAULTARCHS="ios_x86_64 ios_arm64 ios_armv7s ios_armv7 tv_x86_64 tv_arm64 mac_x86_64"
 #DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 ios-cross-armv7s ios-cross-armv7 tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64"
 DEFAULTARCHS="ios_x86_64 ios_arm64 tv_x86_64 tv_arm64 mac_x86_64 watchos_armv7k watchos_arm64_32 watchos_i386"
-DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64 watchos-cross-armv7k watchos-cross-arm64_32 watchos-sim-cross-i386"
+DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 ios64-cross-arm64e tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64 watchos-cross-armv7k watchos-cross-arm64_32 watchos-sim-cross-i386"
 
 # Minimum iOS/tvOS SDK version to build for
-MACOS_MIN_SDK_VERSION="10.11"
-IOS_MIN_SDK_VERSION="11.0"
-TVOS_MIN_SDK_VERSION="11.0"
+IOS_MIN_SDK_VERSION="12.0"
+TVOS_MIN_SDK_VERSION="12.0"
+MACOS_MIN_SDK_VERSION="10.15"
 WATCHOS_MIN_SDK_VERSION="4.0"
 
 # Init optional env variables (use available variable or default to empty string)
@@ -569,6 +569,9 @@ if [ ${#OPENSSLCONF_ALL[@]} -gt 1 ]; then
       *_ios_arm64.h)
         DEFINE_CONDITION="TARGET_OS_IOS && TARGET_OS_EMBEDDED && TARGET_CPU_ARM64"
       ;;
+      *_ios_arm64e.h)
+        DEFINE_CONDITION="TARGET_OS_IOS && TARGET_OS_EMBEDDED && TARGET_CPU_ARM64E"
+      ;;
       *_ios_armv7s.h)
         DEFINE_CONDITION="TARGET_OS_IOS && TARGET_OS_EMBEDDED && TARGET_CPU_ARM && defined(__ARM_ARCH_7S__)"
       ;;
diff --git a/config/20-all-platforms.conf b/config/20-all-platforms.conf
old mode 100755
new mode 100644
index 40b519e..23e03ea
--- a/config/20-all-platforms.conf
+++ b/config/20-all-platforms.conf
@@ -92,6 +92,16 @@ my %targets = ();
         sys_id           => "iOS",
     },
 
+    ## Apple iOS (arm64e)
+    # Based on 10-main.conf: ios64-cross
+    "ios64-cross-arm64e" => {
+        inherit_from     => [ "darwin-common", "ios-cross-base", asm("aarch64_asm") ],
+        cflags           => add("-arch arm64e"),
+        bn_ops           => "SIXTY_FOUR_BIT_LONG RC4_CHAR",
+        perlasm_scheme   => "ios64",
+        sys_id           => "iOS",
+    },
+
     ## Apple iOS (armv7s)
     # Based on 10-main.conf: ios-cross
     "ios-cross-armv7s" => {