diff --git a/go.mod b/go.mod
index d8fa0ae..b44d3ce 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/jpillora/ipfilter
 go 1.16
 
 require (
-	github.com/phuslu/iploc v1.0.20221130
+	github.com/phuslu/iploc v1.0.20230201
 	github.com/stretchr/testify v1.8.0
 	github.com/tomasen/realip v0.0.0-20180522021738-f0c99a92ddce
 )
diff --git a/go.sum b/go.sum
index 98b9044..ee85417 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,8 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/phuslu/iploc v1.0.20221130 h1:7WCCpTdlWcKKq4sDDSId4+7Z7C/LCTJI+q3qjTTdTcU=
-github.com/phuslu/iploc v1.0.20221130/go.mod h1:gsgExGWldwv1AEzZm+Ki9/vGfyjkL33pbSr9HGpt2Xg=
+github.com/phuslu/iploc v1.0.20230201 h1:AMhy7j8z0N5iI0jaqh514KTDEB7wVdQJ4Y4DJPCvKBU=
+github.com/phuslu/iploc v1.0.20230201/go.mod h1:gsgExGWldwv1AEzZm+Ki9/vGfyjkL33pbSr9HGpt2Xg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=