diff --git a/core/snapshots/storage/bolt.go b/core/snapshots/storage/bolt.go
index f5885c6095003..be6010073c90d 100644
--- a/core/snapshots/storage/bolt.go
+++ b/core/snapshots/storage/bolt.go
@@ -418,7 +418,7 @@ func CommitActive(ctx context.Context, key, name string, usage snapshots.Usage,
 
 			// Updates parent back link to use new key
 			if err := pbkt.Put(parentKey(pid, id), []byte(name)); err != nil {
-				return fmt.Errorf("failed to update parent link %q from %q to %q: %w", pid, key, name, err)
+				return fmt.Errorf("failed to update parent link %v from %q to %q: %w", pid, key, name, err)
 			}
 		}
 
diff --git a/plugins/transfer/plugin.go b/plugins/transfer/plugin.go
index d730d45fbe3c6..f3d11283e3bce 100644
--- a/plugins/transfer/plugin.go
+++ b/plugins/transfer/plugin.go
@@ -123,7 +123,7 @@ func init() {
 					applier = inst.(diff.Applier)
 				} else {
 					var applierID string
-					for name, plugin := range ic.GetAll() {
+					for _, plugin := range ic.GetAll() {
 						if plugin.Registration.Type != plugins.DiffPlugin {
 							continue
 						}
@@ -152,7 +152,7 @@ func init() {
 						}
 						inst, err := plugin.Instance()
 						if err != nil {
-							return nil, fmt.Errorf("failed to get instance for diff plugin %q: %w", name, err)
+							return nil, fmt.Errorf("failed to get instance for diff plugin %q: %w", plugin.Registration.ID, err)
 						}
 						applier = inst.(diff.Applier)
 						applierID = plugin.Registration.ID
diff --git a/script/setup/install-dev-tools b/script/setup/install-dev-tools
index 0f5e2777cc603..a3676de261e51 100755
--- a/script/setup/install-dev-tools
+++ b/script/setup/install-dev-tools
@@ -21,6 +21,6 @@ set -eu -o pipefail
 
 go install github.com/containerd/protobuild/cmd/go-fix-acronym@v0.3.0
 go install github.com/cpuguy83/go-md2man/v2@v2.0.7
-go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.1.5
+go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.9.0
 go install github.com/containerd/ttrpc/cmd/protoc-gen-go-ttrpc@v1.2.7
 go install github.com/bufbuild/buf/cmd/buf@v1.63.0