diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index a420bb6..f28f58c 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -13,7 +13,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.24.x, 1.25.x]
+        go-version: [1.25.x, 1.26.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     name: "Build ${{ matrix.go-version }} test on ${{ matrix.platform }}"
diff --git a/.golangci.yml b/.golangci.yml
index 1dd4905..6c1bb6f 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -2,7 +2,7 @@ version: "2"
 run:
   # This is needed for precious, which may run multiple instances
   # in parallel
-  go: "1.24"
+  go: "1.25"
   tests: true
   allow-parallel-runners: true
 linters:
diff --git a/README.md b/README.md
index 6f74a3b..c44fb48 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Please report bugs by filing an issue with our GitHub issue tracker at
 
 ## Copyright and License
 
-This software is Copyright (c) 2023 - 2024 by MaxMind, Inc.
+This software is Copyright (c) 2023 - 2026 by MaxMind, Inc.
 
 Much of the code is ported from the XGBoost project, so it is also Copyright (c)
 2017-2023 by XGBoost Contributors.
diff --git a/go.mod b/go.mod
index 0cad801..edffecd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/maxmind/xgbshap
 
-go 1.24
+go 1.25.0
 
 require github.com/stretchr/testify v1.11.1