diff --git a/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.resolved b/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.resolved
index 5a788601e..11962f0a8 100644
--- a/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.resolved
+++ b/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.resolved
@@ -32,8 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/tuist/XcodeProj.git",
       "state" : {
-        "revision" : "b1caa062d4aaab3e3d2bed5fe0ac5f8ce9bf84f4",
-        "version" : "8.27.7"
+        "revision" : "fb79d68bc758cdb00079d72b6c8b899d99f5f15e",
+        "version" : "9.12.0"
       }
     }
   ],
diff --git a/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.swift b/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.swift
index 40a4db53f..bc26f54c5 100644
--- a/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.swift
+++ b/.agents/skills/xcode-project-setup/scripts/xcode_spm_setup/Package.swift
@@ -5,7 +5,7 @@ let package = Package(
     name: "xcode_spm_setup",
     platforms: [.macOS(.v13)],
     dependencies: [
-        .package(url: "https://github.com/tuist/XcodeProj.git", .upToNextMajor(from: "8.27.7")),
+        .package(url: "https://github.com/tuist/XcodeProj.git", .upToNextMajor(from: "9.12.0")),
     ],
     targets: [
         .executableTarget(