diff --git a/Cartfile.private b/Cartfile.private
index cc295fecf2..0d351e6660 100644
--- a/Cartfile.private
+++ b/Cartfile.private
@@ -1,3 +1,3 @@
 github "Quick/Quick" "3a1d88f"
-github "Quick/Nimble" ~> 3.2
+github "Quick/Nimble" ~> 4.0
 github "jspahrsummers/xcconfigs" ~> 0.9
diff --git a/Cartfile.resolved b/Cartfile.resolved
index 3a50a5ae2c..d1d835b1d9 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,6 +1,6 @@
 github "thoughtbot/Argo" "v2.3.0"
 github "thoughtbot/Curry" "v2.0.0"
-github "Quick/Nimble" "v3.2.0"
+github "Quick/Nimble" "v4.0.0"
 github "jdhealy/PrettyColors" "v3.0.2"
 github "Quick/Quick" "v0.9.1"
 github "antitypical/Result" "2.0.0"
diff --git a/Carthage/Checkouts/Nimble b/Carthage/Checkouts/Nimble
index 3f3ae0ebd2..29f7fb3732 160000
--- a/Carthage/Checkouts/Nimble
+++ b/Carthage/Checkouts/Nimble
@@ -1 +1 @@
-Subproject commit 3f3ae0ebd210ed563ce75e313f1b6022188eb660
+Subproject commit 29f7fb3732893f76fa851cb37b0c4b339c49cead