diff --git a/go.mod b/go.mod
index 3da9f2536..8592c8650 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/basecamp/actioncable-client/go/v2 v2.0.2
 	github.com/basecamp/hey-sdk/go v0.32.1
 	github.com/basecamp/mcp v0.0.0-20260828100356-2d6f44b51e9d
-	github.com/charmbracelet/x/ansi v0.11.8
+	github.com/charmbracelet/x/ansi v0.11.9
 	github.com/fsnotify/fsnotify v1.10.1
 	github.com/gofrs/flock v0.13.1
 	github.com/itchyny/gojq v0.12.19
diff --git a/go.sum b/go.sum
index 9a9fc4716..cb8334719 100644
--- a/go.sum
+++ b/go.sum
@@ -106,8 +106,8 @@ github.com/charmbracelet/colorprofile v0.4.3 h1:QPa1IWkYI+AOB+fE+mg/5/4HRMZcaXex
 github.com/charmbracelet/colorprofile v0.4.3/go.mod h1:/zT4BhpD5aGFpqQQqw7a+VtHCzu+zrQtt1zhMt9mR4Q=
 github.com/charmbracelet/ultraviolet v0.0.0-20260811164956-006e29f97886 h1:rdnVWKgJpTVXKuKuJyxDJ+NFJdUaUqGvyGy61OcvlbA=
 github.com/charmbracelet/ultraviolet v0.0.0-20260811164956-006e29f97886/go.mod h1:nAw0d9PhFp1qdzi2xhQU5YOu5sVpDIHWlaW2Uz/bCro=
-github.com/charmbracelet/x/ansi v0.11.8 h1:JMFwp0CgDC2+jcOB162HH5k7I3FVbgFSMMYg7dSPBQQ=
-github.com/charmbracelet/x/ansi v0.11.8/go.mod h1:ZNN+3mXny/516oTQPLMPIBeSINvNJJQ8uQXDgbeJxY0=
+github.com/charmbracelet/x/ansi v0.11.9 h1:kIrqLBxtTVbLyyHO2Evoi93EjQo1mylWmpNEsfPxXAM=
+github.com/charmbracelet/x/ansi v0.11.9/go.mod h1:DG/hpOnaI2QJ/KMMqLL2h0KVhluuJLazf8973P+Vy5w=
 github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f h1:pk6gmGpCE7F3FcjaOEKYriCvpmIN4+6OS/RD0vm4uIA=
 github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f/go.mod h1:IfZAMTHB6XkZSeXUqriemErjAWCCzT0LwjKFYCZyw0I=
 github.com/charmbracelet/x/exp/slice v0.0.0-20250327172914-2fdc97757edf h1:rLG0Yb6MQSDKdB52aGX55JT1oi0P0Kuaj7wi1bLUpnI=
diff --git a/nix/package.nix b/nix/package.nix
index 2132c4de2..6db21ee50 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -18,7 +18,7 @@ buildGoModule.override { inherit go; } (finalAttrs: {
 
   # To update: run `make update-nix-hash` (Docker). It rewrites this quoted
   # value in place, so keep it a string literal rather than lib.fakeHash.
-  vendorHash = "sha256-AqudHWXku/qNQXvFH7GKmUsuhrLuVhzZpbSJHHQFA6s=";
+  vendorHash = "sha256-Ja3q7rYmWNMtyCS/E6WPxoEMhP/eaKuqZzHF9qKGKQ4=";
 
   subPackages = [ "cmd/hey" ];