diff --git a/Carthage/Checkouts/GCDKit b/Carthage/Checkouts/GCDKit
index a88e9b7..e429bc8 160000
--- a/Carthage/Checkouts/GCDKit
+++ b/Carthage/Checkouts/GCDKit
@@ -1 +1 @@
-Subproject commit a88e9b715be2164fb866cfef28973d6754dae23c
+Subproject commit e429bc88598684137a72e12085140724fc8806c6
diff --git a/CoreStore.xcodeproj/project.pbxproj b/CoreStore.xcodeproj/project.pbxproj
index 121863c..fef2de8 100644
--- a/CoreStore.xcodeproj/project.pbxproj
+++ b/CoreStore.xcodeproj/project.pbxproj
@@ -1028,6 +1028,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_SWIFT_FLAGS = "-D USE_FRAMEWORKS -D DEBUG";
@@ -1036,6 +1037,7 @@
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
+				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
 			name = Debug;
 		};
@@ -1069,6 +1071,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_SWIFT_FLAGS = "-D USE_FRAMEWORKS";
 				SDKROOT = iphoneos;
@@ -1077,6 +1080,7 @@
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
+				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
 			name = Release;
 		};