diff --git a/go.mod b/go.mod
index dd9a0be..99a61d9 100644
--- a/go.mod
+++ b/go.mod
@@ -9,4 +9,4 @@ go 1.22
 // Warning: do not add any external dependencies here unless absolutely necessary.
 // This package should primarily depend on the standard library.
 
-require github.com/jonboulle/clockwork v0.3.0
+require github.com/jonboulle/clockwork v0.4.0
diff --git a/go.sum b/go.sum
index c27063d..f23c00d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/jonboulle/clockwork v0.3.0 h1:9BSCMi8C+0qdApAp4auwX0RkLGUjs956h0EkuQymUhg=
-github.com/jonboulle/clockwork v0.3.0/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
+github.com/jonboulle/clockwork v0.4.0 h1:p4Cf1aMWXnXAUh8lVfewRBx1zaTSYKrKMF2g3ST4RZ4=
+github.com/jonboulle/clockwork v0.4.0/go.mod h1:xgRqUGwRcjKCO1vbZUEtSLrqKoPSsUpK7fnezOII0kc=