diff --git a/project.yml b/project.yml
index 52cc8dd3..f97ee319 100644
--- a/project.yml
+++ b/project.yml
@@ -2,7 +2,7 @@ name: CombineX-Carthage
 options:
   bundleIdPrefix: com.github.cx-org
   deploymentTarget:
-    iOS: 8.0
+    iOS: 9.0
     macOS: !!str '10.10'
     tvOS: 9.0
     watchOS: 2.0
@@ -11,6 +11,8 @@ targets:
     templates: [Framework]
   CXUtility:
     templates: [Framework]
+    dependencies:
+      - target: CXLibc_${platform}
   CXNamespace:
     templates: [Framework]
   CombineX:
@@ -36,4 +38,4 @@ targetTemplates:
       path: Info-carthage.plist
     sources:
       - Sources/${target_name}
-      
\ No newline at end of file
+