diff --git a/go.mod b/go.mod
index 6b571ce..7922919 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/prometheus/client_model v0.6.2
 	go.osspkg.com/algorithms v1.7.1
 	go.osspkg.com/bb v1.0.0
-	go.osspkg.com/casecheck v0.3.0
+	go.osspkg.com/casecheck v0.3.1
 	go.osspkg.com/cast v0.0.0-20260330033934-90d4d7b6ee08
 	go.osspkg.com/do v0.3.0
 	go.osspkg.com/errors v0.4.0
diff --git a/go.sum b/go.sum
index 772d21a..b993e07 100644
--- a/go.sum
+++ b/go.sum
@@ -124,8 +124,8 @@ go.osspkg.com/algorithms v1.7.1 h1:j1yKbmjFNyd2I/1hUgUdwx+9YSolfRtA7ybf3YNxB+s=
 go.osspkg.com/algorithms v1.7.1/go.mod h1:QojMfdersOcebMu/VfERA8Jsn+s/9TGELgaRFiyGuq0=
 go.osspkg.com/bb v1.0.0 h1:6rGK0Gioyo7EbgLaTTIRxhF+me2zoMlOef1mGJoO/L0=
 go.osspkg.com/bb v1.0.0/go.mod h1:bh7v2dIXJC0ge8BZLsh10EFRbJSLjXCmxq4IwSogc58=
-go.osspkg.com/casecheck v0.3.0 h1:x15blEszElbrHrEH5H02JIIhGIg/lGZzIt1kQlD3pwM=
-go.osspkg.com/casecheck v0.3.0/go.mod h1:TRFXDMFJEOtnlp3ET2Hix3osbxwPWhvaiT/HfD3+gBA=
+go.osspkg.com/casecheck v0.3.1 h1:mxg1WaWy/tv7J05jvf5Idy3ydDYbac3gOOV9NPdjxvU=
+go.osspkg.com/casecheck v0.3.1/go.mod h1:TRFXDMFJEOtnlp3ET2Hix3osbxwPWhvaiT/HfD3+gBA=
 go.osspkg.com/cast v0.0.0-20260330033934-90d4d7b6ee08 h1:98j51th4gLE1adz6VNVUzvhGWTwtsw4CzNUooG051T8=
 go.osspkg.com/cast v0.0.0-20260330033934-90d4d7b6ee08/go.mod h1:CkZJTp+0iCRVPgU0nOJV3BJhj+xRoMPNQlQ5FQy9qTg=
 go.osspkg.com/do v0.3.0 h1:Q2TTqZYoVMc/fabsu00Dp6K/jv0bfI7/stSaUYc7pTY=