diff --git a/Package.resolved b/Package.resolved
index 579fb0e..ed761e5 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -33,8 +33,8 @@
         "repositoryURL": "https://github.com/Quick/Nimble.git",
         "state": {
           "branch": null,
-          "revision": "c93f16c25af5770f0d3e6af27c9634640946b068",
-          "version": "9.2.1"
+          "revision": "1f3bde57bde12f5e7b07909848c071e9b73d6edc",
+          "version": "10.0.0"
         }
       },
       {
@@ -51,8 +51,8 @@
         "repositoryURL": "https://github.com/Quick/Quick.git",
         "state": {
           "branch": null,
-          "revision": "bd86ca0141e3cfb333546de5a11ede63f0c4a0e6",
-          "version": "4.0.0"
+          "revision": "f9d519828bb03dfc8125467d8f7b93131951124c",
+          "version": "5.0.1"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index be66eb2..4ac6156 100644
--- a/Package.swift
+++ b/Package.swift
@@ -22,8 +22,8 @@ let package = Package(
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         .package(url: "https://github.com/Carthage/Commandant.git", from: "0.18.0"),
-        .package(url: "https://github.com/Quick/Nimble.git", from: "9.2.1"),
-        .package(url: "https://github.com/Quick/Quick.git", from: "4.0.0"),
+        .package(url: "https://github.com/Quick/Nimble.git", from: "10.0.0"),
+        .package(url: "https://github.com/Quick/Quick.git", from: "5.0.0"),
         .package(url: "https://github.com/mxcl/PromiseKit.git", from: "6.16.2"),
         .package(url: "https://github.com/mxcl/Version.git", from: "2.0.1"),
     ],