diff --git a/SwiftR MacTests/SwiftR_MacTests.swift b/SwiftR MacTests/SwiftR_MacTests.swift
index 8495708..b371df3 100644
--- a/SwiftR MacTests/SwiftR_MacTests.swift	
+++ b/SwiftR MacTests/SwiftR_MacTests.swift	
@@ -28,7 +28,7 @@ class SwiftR_MacTests: XCTestCase {
     
     func testPerformanceExample() {
         // This is an example of a performance test case.
-        self.measureBlock() {
+        self.measure() {
             // Put the code you want to measure the time of here.
         }
     }
diff --git a/SwiftR iOSTests/SwiftR_iOSTests.swift b/SwiftR iOSTests/SwiftR_iOSTests.swift
index ad5d657..d8d0c86 100644
--- a/SwiftR iOSTests/SwiftR_iOSTests.swift	
+++ b/SwiftR iOSTests/SwiftR_iOSTests.swift	
@@ -28,7 +28,7 @@ class SwiftR_iOSTests: XCTestCase {
     
     func testPerformanceExample() {
         // This is an example of a performance test case.
-        self.measureBlock() {
+        self.measure() {
             // Put the code you want to measure the time of here.
         }
     }
diff --git a/SwiftR.xcodeproj/project.pbxproj b/SwiftR.xcodeproj/project.pbxproj
index 59db2ff..1ce62d7 100644
--- a/SwiftR.xcodeproj/project.pbxproj
+++ b/SwiftR.xcodeproj/project.pbxproj
@@ -517,6 +517,7 @@
 					};
 					5B2F479E1ADFFE6800416A1A = {
 						CreatedOnToolsVersion = 6.3;
+						LastSwiftMigration = 0800;
 					};
 					5B2F47B21ADFFE7300416A1A = {
 						CreatedOnToolsVersion = 6.3;
@@ -525,6 +526,7 @@
 					};
 					5B2F47BC1ADFFE7300416A1A = {
 						CreatedOnToolsVersion = 6.3;
+						LastSwiftMigration = 0800;
 					};
 					5B2F47CF1ADFFE8400416A1A = {
 						CreatedOnToolsVersion = 6.3;
@@ -902,6 +904,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.adamhartford.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -916,6 +919,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.adamhartford.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -1003,6 +1007,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.adamhartford.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -1020,6 +1025,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.adamhartford.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};