diff --git a/go.mod b/go.mod
index 1c9b29e..b31de54 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/jessevdk/go-flags v1.6.1
 	github.com/mackerelio/go-mackerel-plugin v0.1.6
 	github.com/mackerelio/golib v1.2.2
-	github.com/prometheus/procfs v0.21.1
+	github.com/prometheus/procfs v0.22.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 0b6804a..c48e699 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,8 @@ github.com/mackerelio/go-mackerel-plugin v0.1.6 h1:NKAutTQLxBH8/T0aeawIMfPSg4ZRf
 github.com/mackerelio/go-mackerel-plugin v0.1.6/go.mod h1:2OkQFK5HpUiVJ+p8Xa8wwxzaPusUFTNsj5OQjL9Mw7k=
 github.com/mackerelio/golib v1.2.2 h1:fQfW1o2KvPyIsAH/7+M2J0gpf2jLu+NyYpDCN79zxW4=
 github.com/mackerelio/golib v1.2.2/go.mod h1:itcSOfrsT5XvkzflFPebT43RrliaKDz2T6YGYt3jclw=
-github.com/prometheus/procfs v0.21.1 h1:GljZCt+zSTS+NZq88cyQ1LjZ+RCHp3uVuabBWA5+OJI=
-github.com/prometheus/procfs v0.21.1/go.mod h1:aB55Cww9pdSJVHk0hUf0inxWyyjPogFIjmHKYgMKmtY=
+github.com/prometheus/procfs v0.22.0 h1:6q9+/JL9IKAPbCmBrv9n5O5Ty3NKnciV5X7YGw0oics=
+github.com/prometheus/procfs v0.22.0/go.mod h1:CvmFr/GVhIjIvWJZW3tgkODBQMRIf0EyWMQLHCHab58=
 golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
 golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.41.0 h1:vz/seA0lnX87Othu2f/0L24RcgrXD9/YFTSuGjj3rH8=