diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea9b10b47..10f804bc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,12 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [1.4.1] - 2023-02-08
+
+### Deprecated
+
+* `SegmentationUPID.Format` is no longer used and will be removed from a future release. 
+
 ## [1.4.0] - 2023-02-08
 
 ### Added
 
-* Add support for `SegmentationUPIDTypeSCR` 
-* 
+* Add support for `SegmentationUPIDTypeSCR`
+
 * Add `preRollMilliSeconds` XML attribute (informative only; not carried by binary)
 
 ### Changed
diff --git a/pkg/scte35/segmentation_upid.go b/pkg/scte35/segmentation_upid.go
index 448343ef5..1b628e18c 100644
--- a/pkg/scte35/segmentation_upid.go
+++ b/pkg/scte35/segmentation_upid.go
@@ -117,7 +117,7 @@ type SegmentationUPID struct {
 	FormatIdentifier *uint32 `xml:"formatIdentifier,attr,omitempty" json:"formatIdentifier,omitempty"`
 	Value            string  `xml:",chardata" json:"value"`
 	// Deprecated: no longer used and will be removed in a future release
-	Format string
+	Format string `xml:"-" json:"-"`
 }
 
 // Name returns the name for the segmentation_upid_type.