diff --git a/samples/client/petstore/swift4/unwrapRequired/.gitignore b/samples/client/petstore/swift4/unwrapRequired/.gitignore
index a94a6b00b35..fb589c9d53c 100644
--- a/samples/client/petstore/swift4/unwrapRequired/.gitignore
+++ b/samples/client/petstore/swift4/unwrapRequired/.gitignore
@@ -45,10 +45,10 @@ playground.xcworkspace
 #
 Pods/
 
-# Carthage
+Carthage
 #
 # Add this line if you want to avoid checking in source code from Carthage dependencies.
-# Carthage/Checkouts
+Carthage/Checkouts
 
 Carthage/Build
 
diff --git a/samples/client/petstore/swift4/unwrapRequired/Cartfile.resolved b/samples/client/petstore/swift4/unwrapRequired/Cartfile.resolved
new file mode 100644
index 00000000000..428c7cc6c37
--- /dev/null
+++ b/samples/client/petstore/swift4/unwrapRequired/Cartfile.resolved
@@ -0,0 +1 @@
+github "Alamofire/Alamofire" "4.9.0"
diff --git a/samples/client/petstore/swift4/unwrapRequired/PetstoreClient.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/samples/client/petstore/swift4/unwrapRequired/PetstoreClient.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 00000000000..18d981003d6
--- /dev/null
+++ b/samples/client/petstore/swift4/unwrapRequired/PetstoreClient.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>