diff --git a/README.md b/README.md
index 2f56b8fdde93..87de8f4baee4 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ run and compile LibreOffice, also used by the TDF builds:
     * Build: Cygwin + Visual Studio 2017 version 15.7
 * macOS:
     * Runtime: 10.10
-    * Build: 10.13.2 + Xcode 9.3
+    * Build: 10.14.4 + Xcode 11.3
 * Linux:
     * Runtime: RHEL 7 or CentOS 7
     * Build: either GCC 7.0.0; or Clang 5.0.2 with libstdc++ 7.3.0
diff --git a/configure.ac b/configure.ac
index 0b728af2e5fb..77e4619f5022 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2858,10 +2858,10 @@ if test $_os = Darwin; then
     my_xcode_ver1=$(xcrun xcodebuild -version | head -n 1)
     my_xcode_ver2=${my_xcode_ver1#Xcode }
     my_xcode_ver3=$(printf %s "$my_xcode_ver2" | $AWK -F. '{ print $1*100+($2<100?$2:99) }')
-    if test "$my_xcode_ver3" -ge 903; then
+    if test "$my_xcode_ver3" -ge 1103; then
         AC_MSG_RESULT([yes ($my_xcode_ver2)])
     else
-        AC_MSG_ERROR(["$my_xcode_ver1" is too old or unrecognized, must be at least Xcode 9.3])
+        AC_MSG_ERROR(["$my_xcode_ver1" is too old or unrecognized, must be at least Xcode 11.3])
     fi
 
     case "$with_macosx_version_min_required" in