diff --git a/tools/gomod-sync/go.mod b/tools/gomod-sync/go.mod
index e30c3f43b..9018b07c6 100644
--- a/tools/gomod-sync/go.mod
+++ b/tools/gomod-sync/go.mod
@@ -2,6 +2,6 @@ module github.com/PingCAP-QE/ci/tools/gomod-sync
 
 go 1.24.0
 
-toolchain go1.25.7
+toolchain go1.26.3
 
 require golang.org/x/mod v0.33.0
diff --git a/tools/list-go-dependencies/go.mod b/tools/list-go-dependencies/go.mod
index 98919cfe0..9b1f7b270 100644
--- a/tools/list-go-dependencies/go.mod
+++ b/tools/list-go-dependencies/go.mod
@@ -2,7 +2,7 @@ module github.com/PingCAP-QE/ci/tools/list-go-dependencies
 
 go 1.24.0
 
-toolchain go1.25.7
+toolchain go1.26.3
 
 require (
 	github.com/PuerkitoBio/goquery v1.10.3