diff --git a/Package.resolved b/Package.resolved
index 69dfbfa..d2b976b 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -23,9 +23,9 @@
         "package": "Poly",
         "repositoryURL": "https://github.com/mattpolzin/Poly.git",
         "state": {
-          "branch": "master",
+          "branch": null,
           "revision": "77f45b8963a51c02d71fc4075eba5cff47ff0d07",
-          "version": null
+          "version": "1.0.0"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index 3622d82..9359a14 100644
--- a/Package.swift
+++ b/Package.swift
@@ -20,7 +20,7 @@ let package = Package(
             targets: ["JSONAPIOpenAPI"])
     ],
     dependencies: [
-		.package(url: "https://github.com/mattpolzin/Poly.git", .branch("master")),
+		.package(url: "https://github.com/mattpolzin/Poly.git", from: "1.0.0"),
         .package(url: "https://github.com/Flight-School/AnyCodable.git", from: "0.1.0"),
 		.package(url: "https://github.com/typelift/SwiftCheck.git", from: "0.11.0")
     ],