diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 963d9ca..274e290 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,6 +11,8 @@ updates:
     commit-message:
       prefix: "automated"
       include: "scope"
+    ignore:
+      - dependency-name: github.com/gostaticanalysis/testutil
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
diff --git a/go.mod b/go.mod
index 8e0c865..413b62c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,12 @@
 module github.com/ckaznocha/intrange
 
-go 1.22
+go 1.22.9
+
+toolchain go1.23.4
+
 require (
-	github.com/gostaticanalysis/testutil v0.5.2
-	golang.org/x/tools v0.27.0
+	github.com/gostaticanalysis/testutil v0.5.0
+	golang.org/x/tools v0.28.0
 )
 
 require (
@@ -12,7 +15,7 @@ require (
 	github.com/tenntenn/modver v1.0.1 // indirect
 	github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3 // indirect
 	golang.org/x/mod v0.22.0 // indirect
-	golang.org/x/sync v0.9.0 // indirect
-	golang.org/x/sys v0.27.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
 	golang.org/x/text v0.20.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 89717a9..896631d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,8 @@
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/gostaticanalysis/testutil v0.5.2 h1:cFkmu0aXjvqZuTItPkfzOpohCFq3aBOl1P+8QqVlsUY=
-github.com/gostaticanalysis/testutil v0.5.2/go.mod h1:J9G6OAyxndyw9ikZ5bECF5RMbCBuALbKemGU+oov4x4=
+github.com/gostaticanalysis/testutil v0.5.0 h1:Dq4wT1DdTwTGCQQv3rl3IvD5Ld0E6HiY+3Zh0sUGqw8=
+github.com/gostaticanalysis/testutil v0.5.0/go.mod h1:OLQSbuM6zw2EvCcXTz1lVq5unyoNft372msDY0nY5Hs=
 github.com/hashicorp/go-version v1.2.1/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go-version v1.7.0 h1:5tqGy27NaOTB8yJKUZELlFAS/LTKJkrmONwQKeRZfjY=
 github.com/hashicorp/go-version v1.7.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
@@ -18,14 +18,14 @@ github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3 h1:f+jULpR
 github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3/go.mod h1:ON8b8w4BN/kE1EOhwT0o+d62W65a6aPw1nouo9LMgyY=
 golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
 golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
-golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
-golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
-golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
 golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.27.0 h1:qEKojBykQkQ4EynWy4S8Weg69NumxKdn40Fce3uc/8o=
-golang.org/x/tools v0.27.0/go.mod h1:sUi0ZgbwW9ZPAq26Ekut+weQPR5eIM6GQLQ1Yjm1H0Q=
+golang.org/x/tools v0.28.0 h1:WuB6qZ4RPCQo5aP3WdKZS7i595EdWqWR8vqJTlwTVK8=
+golang.org/x/tools v0.28.0/go.mod h1:dcIOrVd3mfQKTgrDVQHqCPMWy6lnhfhtX3hLXYVLfRw=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/go.work b/go.work
index 3814c99..7c54211 100644
--- a/go.work
+++ b/go.work
@@ -1,4 +1,4 @@
-go 1.22
+go 1.22.9
 
 use (
 	.
diff --git a/testdata/go.mod b/testdata/go.mod
index 1260ac4..ef7fd8f 100644
--- a/testdata/go.mod
+++ b/testdata/go.mod
@@ -1,5 +1,5 @@
 module github.com/ckaznocha/intrange/testdata
 
-go 1.22
+go 1.22.9
 
 require google.golang.org/protobuf v1.33.0