diff --git a/CHANGELOG.md b/CHANGELOG.md
index eba6cd33..18898912 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Improvments
+
+[#144](https://github.com/cosmos/gogoproto/pull/144) Change proto.Message and jsonpb.Anyresolver to aliased types to allow different implementations of the same interface.
+
 ## [v1.6.0](https://github.com/cosmos/gogoproto/releases/tag/v1.6.0) - 2024-08-08
 
 - [#142](https://github.com/cosmos/gogoproto/pull/142) Update code generator to make grpc `ServiceDesc` public.
diff --git a/jsonpb/jsonpb.go b/jsonpb/jsonpb.go
index cd812048..f7e88d69 100644
--- a/jsonpb/jsonpb.go
+++ b/jsonpb/jsonpb.go
@@ -88,7 +88,7 @@ type Marshaler struct {
 
 // AnyResolver takes a type URL, present in an Any message, and resolves it into
 // an instance of the associated message.
-type AnyResolver interface {
+type AnyResolver = interface {
 	Resolve(typeUrl string) (proto.Message, error)
 }
 
diff --git a/proto/lib.go b/proto/lib.go
index 463c86d5..e94da451 100644
--- a/proto/lib.go
+++ b/proto/lib.go
@@ -335,7 +335,7 @@ func (nf *nonFatal) Merge(err error) (ok bool) {
 }
 
 // Message is implemented by generated protocol buffer messages.
-type Message interface {
+type Message = interface {
 	Reset()
 	String() string
 	ProtoMessage()