diff --git a/ReactiveObjC.xcodeproj/project.pbxproj b/ReactiveObjC.xcodeproj/project.pbxproj
index af597fe65..691a32e23 100644
--- a/ReactiveObjC.xcodeproj/project.pbxproj
+++ b/ReactiveObjC.xcodeproj/project.pbxproj
@@ -1988,6 +1988,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = D04725E019E49ED7006002AA;
@@ -2823,7 +2824,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				ENABLE_TESTABILITY = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
@@ -2846,7 +2847,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
@@ -2996,7 +2997,7 @@
 				CODE_SIGNING_REQUIRED = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
@@ -3078,7 +3079,7 @@
 				CODE_SIGNING_REQUIRED = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)-Tests";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;