diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2905716d..1af84a61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
-## [1.6.3](https://github.com/Terradue/DotNetStac/compare/1.6.2...1.6.3)
+## [1.6.3](https://github.com/Terradue/DotNetStac/compare/1.6.3...1.6.3)
+
+### Commits
+
+- null geometry must be serialized [`6b56f04`](https://github.com/Terradue/DotNetStac/commit/6b56f0445446a92164c1bf596bc4887a3e43e40d)
+
+## [1.6.3](https://github.com/Terradue/DotNetStac/compare/1.6.2...1.6.3) - 2022-12-02
 
 ### Commits
 
diff --git a/src/DotNetStac.Test/Collection/CollectionTests.cs b/src/DotNetStac.Test/Collection/CollectionTests.cs
index a18f7ae3..c0d22712 100644
--- a/src/DotNetStac.Test/Collection/CollectionTests.cs
+++ b/src/DotNetStac.Test/Collection/CollectionTests.cs
@@ -311,7 +311,7 @@ public void SerializeSimpleCollection()
         {
             var simpleItemJson = GetJson("Collection", "CanSerializeMinimalSample");
             var simpleItem = StacConvert.Deserialize<StacItem>(simpleItemJson);
-            StacCollection simpleCollection = StacCollection.Create("simple-collection", "Simple Collection", 
+            StacCollection simpleCollection = StacCollection.Create("simple-collection", "Simple Collection",
                 new Dictionary<Uri, StacItem> { { new Uri("item1", UriKind.Relative), simpleItem } }, "various");
             var newJson = JsonConvert.SerializeObject(simpleCollection);
             ValidateJson(newJson);
diff --git a/src/DotNetStac.Test/Item/ItemTests.cs b/src/DotNetStac.Test/Item/ItemTests.cs
index bfaccefc..00c10501 100644
--- a/src/DotNetStac.Test/Item/ItemTests.cs
+++ b/src/DotNetStac.Test/Item/ItemTests.cs
@@ -162,7 +162,7 @@ public void CanSerializeExtendedSample()
             // item.BoundingBoxes = new double[4] { -122.59750209, 37.48803556, -122.2880486, 37.613537207 };
             item.BoundingBoxes = item.GetBoundingBoxFromGeometryExtent();
 
-            
+
 
             var actualJson = StacConvert.Serialize(item);
 
diff --git a/src/DotNetStac/DotNetStac.csproj b/src/DotNetStac/DotNetStac.csproj
index 040d6505..8cd5312f 100644
--- a/src/DotNetStac/DotNetStac.csproj
+++ b/src/DotNetStac/DotNetStac.csproj
@@ -4,7 +4,7 @@
     <Title>DotNetStac</Title>
     <Description>Terradue .Net library for working with any SpatioTemporal Asset Catalog</Description>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
-    <VersionPrefix>1.6.3</VersionPrefix>
+    <VersionPrefix>1.6.4</VersionPrefix>
     <Authors>Emmanuel Mathot</Authors>
     <Authors>emmanuelmathot</Authors>
     <Company>Terradue</Company>