diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 06880f1..e0a31c8 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.21.x, 1.20.x]
+        go-version: [1.21.x, 1.22.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     name: "Build ${{ matrix.go-version }} test on ${{ matrix.platform }}"
diff --git a/README.md b/README.md
index fcdbd2f..eced8d3 100644
--- a/README.md
+++ b/README.md
@@ -476,6 +476,6 @@ Please report bugs by filing an issue with our GitHub issue tracker at [https://
 
 ## Copyright and License
 
-This software is Copyright (c) 2019 - 2021 by MaxMind, Inc.
+This software is Copyright (c) 2019 - 2024 by MaxMind, Inc.
 
 This is free software, licensed under the [Apache License, Version 2.0](LICENSE-APACHE) or the [MIT License](LICENSE-MIT), at your option.
diff --git a/go.mod b/go.mod
index 13f2613..ce1f274 100644
--- a/go.mod
+++ b/go.mod
@@ -1,15 +1,17 @@
 module github.com/maxmind/mmdbinspect
 
-go 1.20
+go 1.21
+
+toolchain go1.22.3
 
 require (
-	github.com/oschwald/maxminddb-golang v1.12.0
+	github.com/oschwald/maxminddb-golang v1.13.0
 	github.com/stretchr/testify v1.9.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index aabd681..bf09fa4 100644
--- a/go.sum
+++ b/go.sum
@@ -1,13 +1,13 @@
 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/oschwald/maxminddb-golang v1.12.0 h1:9FnTOD0YOhP7DGxGsq4glzpGy5+w7pq50AS6wALUMYs=
-github.com/oschwald/maxminddb-golang v1.12.0/go.mod h1:q0Nob5lTCqyQ8WT6FYgS1L7PXKVVbgiymefNwIjPzgY=
+github.com/oschwald/maxminddb-golang v1.13.0 h1:R8xBorY71s84yO06NgTmQvqvTvlS/bnYZrrWX1MElnU=
+github.com/oschwald/maxminddb-golang v1.13.0/go.mod h1:BU0z8BfFVhi1LQaonTwwGQlsHUEu9pWNdMfmq4ztm0o=
 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/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=