diff --git a/mac/Audacity.xcodeproj/project.pbxproj b/mac/Audacity.xcodeproj/project.pbxproj
index 9bc2e04a2..1d598bb3d 100644
--- a/mac/Audacity.xcodeproj/project.pbxproj
+++ b/mac/Audacity.xcodeproj/project.pbxproj
@@ -9593,7 +9593,7 @@
 				INFOPLIST_PREFIX_HEADER = build/Info.plist.h;
 				INFOPLIST_PREPROCESS = YES;
 				KEEP_PRIVATE_EXTERNS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				ONLY_LINK_ESSENTIAL_SYMBOLS = YES;
 				ON_DEMAND_RESOURCES_INITIAL_INSTALL_TAGS = "";
 				OTHER_LDFLAGS = (
@@ -9927,7 +9927,7 @@
 				INFOPLIST_PREFIX_HEADER = build/Info.plist.h;
 				INFOPLIST_PREPROCESS = YES;
 				KEEP_PRIVATE_EXTERNS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				ONLY_LINK_ESSENTIAL_SYMBOLS = YES;
 				ON_DEMAND_RESOURCES_INITIAL_INSTALL_TAGS = "";
 				OTHER_LDFLAGS = (
@@ -10358,7 +10358,7 @@
 				INFOPLIST_PREFIX_HEADER = build/Info.plist.h;
 				INFOPLIST_PREPROCESS = YES;
 				KEEP_PRIVATE_EXTERNS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				ONLY_LINK_ESSENTIAL_SYMBOLS = YES;
 				ON_DEMAND_RESOURCES_INITIAL_INSTALL_TAGS = "";
 				OTHER_LDFLAGS = (
@@ -10816,7 +10816,7 @@
 				INFOPLIST_PREFIX_HEADER = build/Info.plist.h;
 				INFOPLIST_PREPROCESS = YES;
 				KEEP_PRIVATE_EXTERNS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				ONLY_LINK_ESSENTIAL_SYMBOLS = YES;
 				ON_DEMAND_RESOURCES_INITIAL_INSTALL_TAGS = "";
 				OTHER_LDFLAGS = (