diff --git a/.golangci.yaml b/.golangci.yaml
index 747aaf5..22e317d 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -7,6 +7,7 @@ linters:
     - depguard
     - gochecknoglobals
     - exhaustruct
+    - exhaustruct_v5
     - err113
     - gochecknoinits
     - ireturn
diff --git a/Makefile b/Makefile
index 8748f19..99e86b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # renovate: datasource=github-tags depName=golangci/golangci-lint
-GOLANGCI_VERSION ?= v2.12.2
+GOLANGCI_VERSION ?= v2.13.1
 TOOLS_BIN := $(shell mkdir -p build/tools && realpath build/tools)
 
 GOLANGCI = $(TOOLS_BIN)/golangci-lint-$(GOLANGCI_VERSION)
diff --git a/cmd/gogit/cat-file.go b/cmd/gogit/cat-file.go
index 6b4e717..e1fda60 100644
--- a/cmd/gogit/cat-file.go
+++ b/cmd/gogit/cat-file.go
@@ -69,7 +69,7 @@ var catFileCmd = &cobra.Command{
 // catFileExistsCheck never returns: it calls os.Exit(1) when the object is
 // absent and os.Exit(0) when it is present. The signature returns error only
 // to fit cobra's RunE contract via its caller.
-func catFileExistsCheck(r *git.Repository, oid string) error { //nolint:unparam
+func catFileExistsCheck(r *git.Repository, oid string) error {
 	h := plumbing.NewHash(oid)
 	if _, err := r.Storer.EncodedObject(plumbing.AnyObject, h); err != nil {
 		os.Exit(1)
@@ -122,7 +122,7 @@ func catFileBatchCheckRun(cmd *cobra.Command, r *git.Repository, stdin io.Reader
 			continue
 		}
 
-		oid := strings.SplitN(raw, " ", 2)[0]
+		oid, _, _ := strings.Cut(raw, " ")
 
 		h := plumbing.NewHash(oid)
 
diff --git a/internal/plumbing/object/mktree_test.go b/internal/plumbing/object/mktree_test.go
index 5538fce..9b36fc3 100644
--- a/internal/plumbing/object/mktree_test.go
+++ b/internal/plumbing/object/mktree_test.go
@@ -71,7 +71,7 @@ func TestWriteTreeRawAcceptsNullHash(t *testing.T) {
 	t.Parallel()
 
 	store := memory.NewStorage()
-	_ = (storer.EncodedObjectStorer)(store) // type assertion check
+	_ = storer.EncodedObjectStorer(store) // type assertion check
 
 	obj := store.NewEncodedObject()
 	obj.SetType(plumbing.TreeObject)