diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1069f99..38fd5f1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.23.x, 1.22.x]
+        go-version: [1.24.x, 1.23.x]
         platform: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     env:
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index c51ed4a7..c683e58f 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.merged == true
     strategy:
       matrix:
-        go-version: [1.23.x]
+        go-version: [1.24.x]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}
diff --git a/go.mod b/go.mod
index 58e0f223..7cca3ea5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module gonum.org/v1/plot
 
-go 1.22.0
+go 1.23
 
 require (
 	git.sr.ht/~sbinet/gg v0.6.0