diff --git a/Cartfile b/Cartfile
index 3178bbf..f80aaa5 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1 +1 @@
-github "nerdishbynature/RequestKit" >=0.2.0
+github "nerdishbynature/RequestKit" == 0.2.1
diff --git a/Cartfile.resolved b/Cartfile.resolved
index 987e464..c9bfbb7 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,2 +1,2 @@
 github "nerdishbynature/Nocilla" "0.10.0"
-github "nerdishbynature/RequestKit" "0.2.0"
+github "nerdishbynature/RequestKit" "0.2.1"
diff --git a/Makefile b/Makefile
index 4177cf6..17032de 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ install:
 	carthage bootstrap
 
 test:
-	set -o pipefail && xcodebuild clean test -scheme TanukiKit -sdk iphonesimulator ONLY_ACTIVE_ARCH=YES -enableCodeCoverage YES | xcpretty -c
+	set -o pipefail && xcodebuild clean test -scheme TanukiKit -sdk iphonesimulator -destination name="iPhone 6" ONLY_ACTIVE_ARCH=YES -enableCodeCoverage YES | xcpretty -c
 
 post_coverage:
 	bundle exec slather coverage --input-format profdata -x --ignore "../**/*/Xcode*" --ignore "Carthage/**" --output-directory slather-report --scheme TanukiKit TanukiKit.xcodeproj