diff --git a/build-lldb-mi.sh b/build-lldb-mi.sh
index 042ef4b..9a59ef8 100755
--- a/build-lldb-mi.sh
+++ b/build-lldb-mi.sh
@@ -111,7 +111,7 @@ fi
 
 if [ -n "$MACOS_REDIST" ]; then
     : ${MACOS_REDIST_ARCHS:=arm64 x86_64}
-    : ${MACOS_REDIST_VERSION:=10.9}
+    : ${MACOS_REDIST_VERSION:=10.12}
     ARCH_LIST=""
     NATIVE=
     for arch in $MACOS_REDIST_ARCHS; do
diff --git a/build-llvm.sh b/build-llvm.sh
index 7b0f9dd..f1133dc 100755
--- a/build-llvm.sh
+++ b/build-llvm.sh
@@ -248,7 +248,7 @@ fi
 
 if [ -n "$MACOS_REDIST" ]; then
     : ${MACOS_REDIST_ARCHS:=arm64 x86_64}
-    : ${MACOS_REDIST_VERSION:=10.9}
+    : ${MACOS_REDIST_VERSION:=10.12}
     ARCH_LIST=""
     NATIVE=
     for arch in $MACOS_REDIST_ARCHS; do
diff --git a/build-mingw-w64-tools.sh b/build-mingw-w64-tools.sh
index 1d23834..a7ff8e2 100755
--- a/build-mingw-w64-tools.sh
+++ b/build-mingw-w64-tools.sh
@@ -79,7 +79,7 @@ if [ -n "$MACOS_REDIST" ]; then
         CFLAGS="-g -O2"
     fi
     : ${MACOS_REDIST_ARCHS:=arm64 x86_64}
-    : ${MACOS_REDIST_VERSION:=10.9}
+    : ${MACOS_REDIST_VERSION:=10.12}
     NONNATIVE_ARCH=
     for arch in $MACOS_REDIST_ARCHS; do
         CFLAGS="$CFLAGS -arch $arch"
diff --git a/install-wrappers.sh b/install-wrappers.sh
index 8a618a2..b0f4a8e 100755
--- a/install-wrappers.sh
+++ b/install-wrappers.sh
@@ -104,7 +104,7 @@ fi
 
 if [ -n "$MACOS_REDIST" ]; then
     : ${MACOS_REDIST_ARCHS:=arm64 x86_64}
-    : ${MACOS_REDIST_VERSION:=10.9}
+    : ${MACOS_REDIST_VERSION:=10.12}
     for arch in $MACOS_REDIST_ARCHS; do
         WRAPPER_FLAGS="$WRAPPER_FLAGS -arch $arch"
     done