diff --git a/macos/Runner.xcodeproj/project.pbxproj b/macos/Runner.xcodeproj/project.pbxproj
index 73acc4c3b..c96fcdeba 100644
--- a/macos/Runner.xcodeproj/project.pbxproj
+++ b/macos/Runner.xcodeproj/project.pbxproj
@@ -407,7 +407,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -429,6 +429,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = com.yubico.yubioath;
 				PRODUCT_NAME = "Yubico Authenticator";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -488,7 +489,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -535,7 +536,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -557,6 +558,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = com.yubico.yubioath;
 				PRODUCT_NAME = "Yubico Authenticator";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -579,6 +581,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = com.yubico.yubioath;
 				PRODUCT_NAME = "Yubico Authenticator";
 				PROVISIONING_PROFILE_SPECIFIER = "";