diff --git a/setupsrc/pl_setup/setup_base.py b/setupsrc/pl_setup/setup_base.py
index f5242ed6d..5ca1a48aa 100644
--- a/setupsrc/pl_setup/setup_base.py
+++ b/setupsrc/pl_setup/setup_base.py
@@ -57,8 +57,8 @@ def _get_tag(pl_name):
     # pip>=20.3 now accepts macOS wheels tagged as 10_x on 11_x. Not sure what applies to 12_x.
     # Let's retain multi-version tagging for broader compatibility all the same.
     if pl_name == PlatformNames.darwin_x64:
-        # pdfium-binaries/steps/05-configure.sh defines `mac_deployment_target = "10.11.0"`
-        return _get_mac_tag("x86_64", "10_11", "11_0", "12_0")
+        # pdfium-binaries/steps/05-configure.sh defines `mac_deployment_target = "10.13.0"`
+        return _get_mac_tag("x86_64", "10_13", "11_0", "12_0")
     elif pl_name == PlatformNames.darwin_arm64:
         return _get_mac_tag("arm64", "11_0", "12_0")
     elif pl_name == PlatformNames.linux_x64:
diff --git a/tests/test_setup.py b/tests/test_setup.py
index da2b54f13..5f8f4b9a0 100644
--- a/tests/test_setup.py
+++ b/tests/test_setup.py
@@ -48,7 +48,7 @@ def test_entrypoint():
 # setup_base
 
 ExpectedTags = (
-    (PlatformNames.darwin_x64,    "macosx_10_11_x86_64.macosx_11_0_x86_64.macosx_12_0_x86_64"),
+    (PlatformNames.darwin_x64,    "macosx_10_13_x86_64.macosx_11_0_x86_64.macosx_12_0_x86_64"),
     (PlatformNames.darwin_arm64,  "macosx_11_0_arm64.macosx_12_0_arm64"),
     (PlatformNames.linux_x64,     "manylinux_2_17_x86_64.manylinux2014_x86_64"),
     (PlatformNames.linux_x86,     "manylinux_2_17_i686.manylinux2014_i686"),