diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index d89e78e..a94e67a 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -63,7 +63,7 @@ jobs:
           # The go.mod language version remains 1.25 for source compatibility;
           # pin the patch version so a newly published standard-library
           # vulnerability cannot silently select an older toolchain.
-          go-version: '1.25.13'
+          go-version: '1.26.6'
           cache: true
 
       - name: Run race detector