diff --git a/Package.resolved b/Package.resolved
index 14532fc..da42549 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "c3e65bcdf275cab11159accb0efc9ac649418a02d521281bfe32fd24dd5884b0",
+  "originHash" : "69fb22e4ec8d46b7c22e5440a27556e8796a96b3d7617e8b91d8981bd71bea42",
   "pins" : [
     {
       "identity" : "swift-atomics",
@@ -15,8 +15,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/tayloraswift/swift-bson",
       "state" : {
-        "revision" : "0fa36cdaa0daa71d198cd0e0787959b664c098a2",
-        "version" : "0.3.1"
+        "revision" : "32814c943ab68fa50c01cc52fb8640a8f55cb3cd",
+        "version" : "0.4.0"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index b851cc3..1cb4ba7 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,7 +15,7 @@ let package:Package = .init(name: "swift-mongodb",
     ],
     dependencies: [
         .package(url: "https://github.com/tayloraswift/swift-bson", .upToNextMinor(
-            from: "0.3.0")),
+            from: "0.4.0")),
         .package(url: "https://github.com/tayloraswift/swift-grammar", .upToNextMinor(
             from: "0.4.0")),
         .package(url: "https://github.com/tayloraswift/swift-hash", .upToNextMinor(
@@ -34,6 +34,12 @@ let package:Package = .init(name: "swift-mongodb",
             from: "2.28.0"),
     ],
     targets: [
+        .target(name: "BSON_OrderedCollections",
+            dependencies: [
+                .product(name: "BSON", package: "swift-bson"),
+                .product(name: "OrderedCollections", package: "swift-collections"),
+            ]),
+
         .target(name: "OnlineCDF"),
 
         .target(name: "SCRAM",
@@ -84,13 +90,13 @@ let package:Package = .init(name: "swift-mongodb",
 
         .target(name: "MongoDriver",
             dependencies: [
+                .target(name: "BSON_OrderedCollections"),
                 .target(name: "MongoCommands"),
                 .target(name: "MongoConfiguration"),
                 .target(name: "MongoExecutor"),
                 .target(name: "MongoLogging"),
                 .target(name: "SCRAM"),
                 .target(name: "UnixTime_Atomics"),
-                .product(name: "BSON_OrderedCollections", package: "swift-bson"),
                 .product(name: "BSON_UUID", package: "swift-bson"),
                 .product(name: "Atomics", package: "swift-atomics"),
                 .product(name: "SHA2", package: "swift-hash"),
@@ -118,11 +124,11 @@ let package:Package = .init(name: "swift-mongodb",
 
         .target(name: "MongoQL",
             dependencies: [
+                .target(name: "BSON_OrderedCollections"),
                 .target(name: "MongoBuiltins"),
                 .target(name: "MongoCommands"),
                 .product(name: "BSON", package: "swift-bson"),
                 .product(name: "BSONReflection", package: "swift-bson"),
-                .product(name: "BSON_OrderedCollections", package: "swift-bson"),
                 .product(name: "BSON_UUID", package: "swift-bson"),
             ]),
 
diff --git a/Sources/BSON_OrderedCollections/OrderedDictionary (ext).swift b/Sources/BSON_OrderedCollections/OrderedDictionary (ext).swift
new file mode 100644
index 0000000..8439c33
--- /dev/null
+++ b/Sources/BSON_OrderedCollections/OrderedDictionary (ext).swift	
@@ -0,0 +1,39 @@
+import BSON
+import OrderedCollections
+
+extension OrderedDictionary:@retroactive BSONDecodable
+    where Key == BSON.Key, Value:BSONDecodable
+{
+    @inlinable public
+    init(bson:BSON.AnyValue) throws
+    {
+        try self.init(bson: try .init(bson: consume bson))
+    }
+    @inlinable public
+    init(bson:BSON.Document) throws
+    {
+        self.init()
+        try bson.parse
+        {
+            (field:BSON.FieldDecoder<BSON.Key>) in
+
+            if  case _? = self.updateValue(try field.decode(to: Value.self),
+                forKey: field.key)
+            {
+                throw BSON.DocumentKeyError<BSON.Key>.duplicate(field.key)
+            }
+        }
+    }
+}
+extension OrderedDictionary:@retroactive BSONDocumentEncodable, @retroactive BSONEncodable
+    where Key == BSON.Key, Value:BSONEncodable
+{
+    @inlinable public
+    func encode(to bson:inout BSON.DocumentEncoder<BSON.Key>)
+    {
+        for (key, value):(Key, Value) in self.elements
+        {
+            bson[key] = value
+        }
+    }
+}