diff --git a/go.mod b/go.mod
index 6346784d..776b0e5d 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	github.com/jessevdk/go-flags v1.5.0
 	github.com/jmoiron/sqlx v1.3.5
 	github.com/lib/pq v1.10.6
-	github.com/mackerelio/checkers v0.0.3
+	github.com/mackerelio/checkers v0.0.4
 	github.com/mackerelio/go-osstat v0.2.2
 	github.com/mackerelio/golib v1.2.1
 	github.com/mattn/go-encoding v0.0.2
diff --git a/go.sum b/go.sum
index 8a88ca0c..835082a6 100644
--- a/go.sum
+++ b/go.sum
@@ -607,8 +607,8 @@ github.com/lib/pq v1.10.6 h1:jbk+ZieJ0D7EVGJYpL9QTz7/YW6UHbmdnZWYyK5cdBs=
 github.com/lib/pq v1.10.6/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/linuxkit/virtsock v0.0.0-20201010232012-f8cee7dfc7a3/go.mod h1:3r6x7q95whyfWQpmGZTu3gk3v2YkMi05HEzl7Tf7YEo=
 github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0/go.mod h1:zJYVVT2jmtg6P3p1VtQj7WsuWi/y4VnjVBn7F8KPB3I=
-github.com/mackerelio/checkers v0.0.3 h1:NVr0vKozHU5qMDdxeTZNNK7MEULCcZWMSeoizXlMjxM=
-github.com/mackerelio/checkers v0.0.3/go.mod h1:EJacKJbW8NAsolEo4YIcL9h1n4s+RUI9cYZXSnMJ8OY=
+github.com/mackerelio/checkers v0.0.4 h1:dLxl3szIA1uW/+pFefamBPaFT9MCKkdH3uQND7c64bk=
+github.com/mackerelio/checkers v0.0.4/go.mod h1:VEf9gFHvpvH7Zvcwjuj7x3ozQg5w3En6ww9UcWoWHeE=
 github.com/mackerelio/go-osstat v0.2.2 h1:7jVyXGXTkQL3+6lDVUDBY+Fpo8VQPfyOkZeXxxsXX4c=
 github.com/mackerelio/go-osstat v0.2.2/go.mod h1:G2A1f01HIHVRhMdS1qnigXxS6C8ahppy5lCwBrbRp0s=
 github.com/mackerelio/golib v1.2.1 h1:SDcDn6Jw3p9bi1N0bg1Z/ilG5qcBB23qL8xNwrU0gg4=