diff --git a/bfcodegen/csid-generate.template b/bfcodegen/csid-generate.template
index 91cf521..c8105a4 100644
--- a/bfcodegen/csid-generate.template
+++ b/bfcodegen/csid-generate.template
@@ -183,6 +183,10 @@ func (id {{.Name}}) CheckString() string {
 	return getCheckString(prefix{{.Name}}, string(id))
 }
 
+func (id {{.Name}}) IsZero() bool {
+	return id == ""
+}
+
 func (id {{.Name}}) Regex() rext.Regex {
 	return regex{{.Name}}
 }
diff --git a/bfcodegen/id-generate.template b/bfcodegen/id-generate.template
index b30514a..6d9af2e 100644
--- a/bfcodegen/id-generate.template
+++ b/bfcodegen/id-generate.template
@@ -45,6 +45,10 @@ func (i {{.Name}}) AsAnyPtr() *{{$.AnyDef.Name}} {
 }
 {{end}}
 
+func (i {{.Name}}) IsZero() bool {
+	return i == ""
+}
+
 func New{{.Name}}() {{.Name}} {
 	return {{.Name}}(primitive.NewObjectID().Hex())
 }
diff --git a/go.mod b/go.mod
index 02505df..c076eff 100644
--- a/go.mod
+++ b/go.mod
@@ -48,7 +48,7 @@ require (
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.14 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
diff --git a/go.sum b/go.sum
index 5470cda..fa0a744 100644
--- a/go.sum
+++ b/go.sum
@@ -187,6 +187,8 @@ github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65E
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
 github.com/ugorji/go/codec v1.2.14 h1:yOQvXCBc3Ij46LRkRoh4Yd5qK6LVOgi0bYOXfb7ifjw=
 github.com/ugorji/go/codec v1.2.14/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
+github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
+github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
diff --git a/goextVersion.go b/goextVersion.go
index 124bd1c..e0a40f2 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.579"
+const GoextVersion = "0.0.580"
 
-const GoextVersionTimestamp = "2025-06-13T16:53:24+0200"
+const GoextVersionTimestamp = "2025-06-16T08:40:07+0200"