diff --git a/build/config/mac/mac_sdk.gni b/build/config/mac/mac_sdk.gni
index ae8cd000fe5..a89a1766ddf 100644
--- a/build/config/mac/mac_sdk.gni
+++ b/build/config/mac/mac_sdk.gni
@@ -6,7 +6,7 @@ import("//build/toolchain/goma.gni")
 
 declare_args() {
   # Minimum supported version of the Mac SDK.
-  mac_sdk_min = "10.13"
+  mac_sdk_min = "10.14"
 
   # Path to a specific version of the Mac SDK, not including a backslash at
   # the end. If empty, the path to the lowest version greater than or equal to
diff --git a/runtime/bin/security_context_macos.cc b/runtime/bin/security_context_macos.cc
index 5b406a8ef04..8612cc39c00 100644
--- a/runtime/bin/security_context_macos.cc
+++ b/runtime/bin/security_context_macos.cc
@@ -313,7 +313,10 @@ static void TrustEvaluateHandler(Dart_Port dest_port_id,
     status = SecTrustGetTrustResult(trust.get(), &trust_result);
   } else {
     // SecTrustEvaluate is deprecated as of OSX 10.15 and iOS 13.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated"
     status = SecTrustEvaluate(trust.get(), &trust_result);
+#pragma clang diagnostic pop
   }
 
   postReply(reply_port_id,