diff --git a/BezierKit/BezierKit.xcodeproj/project.pbxproj b/BezierKit/BezierKit.xcodeproj/project.pbxproj
index 9562c9e..ae556ac 100644
--- a/BezierKit/BezierKit.xcodeproj/project.pbxproj
+++ b/BezierKit/BezierKit.xcodeproj/project.pbxproj
@@ -1080,7 +1080,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = BezierKit_MacTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.HolmesFutrell.BezierKit-MacTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
@@ -1095,7 +1095,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = BezierKit_MacTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.HolmesFutrell.BezierKit-MacTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;