diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ac49f568..dc6c4703 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         # Do not move this line; it is referred to by README.md.
         # Versions of Go that are explicitly supported by Gonum.
-        go-version: [1.24.x, 1.23.x]
+        go-version: [1.25.x, 1.24.x]
         platform: [ubuntu-latest, macos-latest]
         force-goarch: ["", "386"]
         tags: 
diff --git a/go.mod b/go.mod
index 05b027a1..43f58808 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module gonum.org/v1/gonum
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/goccmack/gocc v0.0.0-20230228185258-2292f9e40198