diff --git a/CHANGELOG.md b/CHANGELOG.md
index da2b6b6..e86a462 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+## [1.3.4] - 2024-05-09
+
+### Changed
+
+- Allow custom response handlers to return nil result values.
+
 ## [1.3.3] - 2024-03-19
 
 - Fix bug where overriding http.DefaultTransport with an implementation other than http.Transport would result in an interface conversion panic
diff --git a/nethttp_request_adapter.go b/nethttp_request_adapter.go
index c140636..243483d 100644
--- a/nethttp_request_adapter.go
+++ b/nethttp_request_adapter.go
@@ -337,6 +337,9 @@ func (a *NetHttpRequestAdapter) Send(ctx context.Context, requestInfo *abs.Reque
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.(absser.Parsable), nil
 	} else if response != nil {
 		defer a.purge(response)
@@ -394,6 +397,9 @@ func (a *NetHttpRequestAdapter) SendEnum(ctx context.Context, requestInfo *abs.R
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.(absser.Parsable), nil
 	} else if response != nil {
 		defer a.purge(response)
@@ -445,6 +451,9 @@ func (a *NetHttpRequestAdapter) SendCollection(ctx context.Context, requestInfo
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.([]absser.Parsable), nil
 	} else if response != nil {
 		defer a.purge(response)
@@ -496,6 +505,9 @@ func (a *NetHttpRequestAdapter) SendEnumCollection(ctx context.Context, requestI
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.([]any), nil
 	} else if response != nil {
 		defer a.purge(response)
@@ -555,6 +567,9 @@ func (a *NetHttpRequestAdapter) SendPrimitive(ctx context.Context, requestInfo *
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.(absser.Parsable), nil
 	} else if response != nil {
 		defer a.purge(response)
@@ -636,6 +651,9 @@ func (a *NetHttpRequestAdapter) SendPrimitiveCollection(ctx context.Context, req
 			span.RecordError(err)
 			return nil, err
 		}
+		if result == nil {
+			return nil, nil
+		}
 		return result.([]any), nil
 	} else if response != nil {
 		defer a.purge(response)
diff --git a/user_agent_handler.go b/user_agent_handler.go
index c984b8e..2ebc657 100644
--- a/user_agent_handler.go
+++ b/user_agent_handler.go
@@ -42,7 +42,7 @@ func NewUserAgentHandlerOptions() *UserAgentHandlerOptions {
 	return &UserAgentHandlerOptions{
 		Enabled:        true,
 		ProductName:    "kiota-go",
-		ProductVersion: "1.3.3",
+		ProductVersion: "1.3.4",
 	}
 }