diff --git a/build-mac/mailcore2.xcodeproj/project.pbxproj b/build-mac/mailcore2.xcodeproj/project.pbxproj
index 5bb57df90..27bf1567d 100755
--- a/build-mac/mailcore2.xcodeproj/project.pbxproj
+++ b/build-mac/mailcore2.xcodeproj/project.pbxproj
@@ -4391,6 +4391,7 @@
 				ALWAYS_SEARCH_USER_PATHS = YES;
 				DEAD_CODE_STRIPPING = NO;
 				EXECUTABLE_PREFIX = lib;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_NAME = "MailCore-ios";
 				SDKROOT = iphoneos;
@@ -4404,6 +4405,7 @@
 				ALWAYS_SEARCH_USER_PATHS = YES;
 				DEAD_CODE_STRIPPING = NO;
 				EXECUTABLE_PREFIX = lib;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_NAME = "MailCore-ios";
 				SDKROOT = iphoneos;