diff --git a/go.mod b/go.mod
index 3bd51c6c..d4890c52 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ module github.com/git-lfs/git-lfs/v3
 require (
 	github.com/avast/retry-go v2.4.2+incompatible
 	github.com/dpotapov/go-spnego v0.0.0-20210315154721-298b63a54430
-	github.com/git-lfs/gitobj/v2 v2.0.2
+	github.com/git-lfs/gitobj/v2 v2.1.0
 	github.com/git-lfs/go-netrc v0.0.0-20210914205454-f0c862dd687a
 	github.com/git-lfs/pktline v0.0.0-20210330133718-06e9096e2825
 	github.com/git-lfs/wildmatch/v2 v2.0.1
diff --git a/go.sum b/go.sum
index 8abb768e..0b73d573 100644
--- a/go.sum
+++ b/go.sum
@@ -7,8 +7,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dpotapov/go-spnego v0.0.0-20210315154721-298b63a54430 h1:oempk9HjNt6rVKyKmpdnoN7XABQv3SXLWu3pxUI7Vlk=
 github.com/dpotapov/go-spnego v0.0.0-20210315154721-298b63a54430/go.mod h1:AVSs/gZKt1bOd2AhkhbS7Qh56Hv7klde22yXVbwYJhc=
-github.com/git-lfs/gitobj/v2 v2.0.2 h1:p8rWlhEyiSsC+4Qc+EdufySatf8sDtvJIrHAHgf7Ar8=
-github.com/git-lfs/gitobj/v2 v2.0.2/go.mod h1:q6aqxl6Uu3gWsip5GEKpw+7459F97er8COmU45ncAxw=
+github.com/git-lfs/gitobj/v2 v2.1.0 h1:5BUDAMga0Sv9msMXolrn6xplkiG5RaVEkOir2HSznog=
+github.com/git-lfs/gitobj/v2 v2.1.0/go.mod h1:q6aqxl6Uu3gWsip5GEKpw+7459F97er8COmU45ncAxw=
 github.com/git-lfs/go-netrc v0.0.0-20210914205454-f0c862dd687a h1:6pskVZacdMUL93pCpMAYnMDLjH1yDFhssPYGe32sjdk=
 github.com/git-lfs/go-netrc v0.0.0-20210914205454-f0c862dd687a/go.mod h1:70O4NAtvWn1jW8V8V+OKrJJYcxDLTmIozfi2fmSz5SI=
 github.com/git-lfs/pktline v0.0.0-20210330133718-06e9096e2825 h1:riQhgheTL7tMF4d5raz9t3+IzoR1i1wqxE1kZC6dY+U=
diff --git a/vendor/github.com/git-lfs/gitobj/v2/tree.go b/vendor/github.com/git-lfs/gitobj/v2/tree.go
index d4996ae6..ab10708d 100644
--- a/vendor/github.com/git-lfs/gitobj/v2/tree.go
+++ b/vendor/github.com/git-lfs/gitobj/v2/tree.go
@@ -115,22 +115,18 @@ func (t *Tree) Encode(to io.Writer) (n int, err error) {
 func (t *Tree) Merge(others ...*TreeEntry) *Tree {
 	unseen := make(map[string]*TreeEntry)
 
-	// Build a cache of name+filemode to *TreeEntry.
+	// Build a cache of name to *TreeEntry.
 	for _, other := range others {
-		key := fmt.Sprintf("%s\x00%o", other.Name, other.Filemode)
-
-		unseen[key] = other
+		unseen[other.Name] = other
 	}
 
 	// Map the existing entries ("t.Entries") into a new set by either
 	// copying an existing entry, or replacing it with a new one.
 	entries := make([]*TreeEntry, 0, len(t.Entries))
 	for _, entry := range t.Entries {
-		key := fmt.Sprintf("%s\x00%o", entry.Name, entry.Filemode)
-
-		if other, ok := unseen[key]; ok {
+		if other, ok := unseen[entry.Name]; ok {
 			entries = append(entries, other)
-			delete(unseen, key)
+			delete(unseen, entry.Name)
 		} else {
 			oid := make([]byte, len(entry.Oid))
 			copy(oid, entry.Oid)
@@ -234,6 +230,12 @@ func (e *TreeEntry) Type() ObjectType {
 	}
 }
 
+// IsLink returns true if the given TreeEntry is a blob which represents a
+// symbolic link (i.e., with a filemode of 0120000.
+func (e *TreeEntry) IsLink() bool {
+	return e.Filemode & sIFMT == sIFLNK
+}
+
 // SubtreeOrder is an implementation of sort.Interface that sorts a set of
 // `*TreeEntry`'s according to "subtree" order. This ordering is required to
 // write trees in a correct, readable format to the Git object database.
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d7264eb1..f330680f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -8,7 +8,7 @@ github.com/avast/retry-go
 github.com/davecgh/go-spew/spew
 # github.com/dpotapov/go-spnego v0.0.0-20210315154721-298b63a54430
 github.com/dpotapov/go-spnego
-# github.com/git-lfs/gitobj/v2 v2.0.2
+# github.com/git-lfs/gitobj/v2 v2.1.0
 github.com/git-lfs/gitobj/v2
 github.com/git-lfs/gitobj/v2/errors
 github.com/git-lfs/gitobj/v2/pack