diff --git a/CHANGELOG.md b/CHANGELOG.md
index d06b712fd..41b6c0862 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 1.77.4
+
+### Embedded Sass
+
+* Support passing `Version` input for `fatalDeprecations` as string over
+  embedded protocol.
+
+* Fix a bug in the JS Embedded Host where `Version` could be incorrectly accepted
+  as input for `silenceDeprecations` and `futureDeprecations` in pure JS.
+
 ## 1.77.3
 
 ### Dart API
diff --git a/lib/src/embedded/compilation_dispatcher.dart b/lib/src/embedded/compilation_dispatcher.dart
index 675216022..e8c3764b5 100644
--- a/lib/src/embedded/compilation_dispatcher.dart
+++ b/lib/src/embedded/compilation_dispatcher.dart
@@ -7,10 +7,10 @@ import 'dart:io';
 import 'dart:isolate';
 import 'dart:typed_data';
 
-import 'package:collection/collection.dart';
 import 'package:native_synchronization/mailbox.dart';
 import 'package:path/path.dart' as p;
 import 'package:protobuf/protobuf.dart';
+import 'package:pub_semver/pub_semver.dart';
 import 'package:sass/sass.dart' as sass;
 import 'package:sass/src/importer/node_package.dart' as npi;
 
@@ -125,20 +125,34 @@ final class CompilationDispatcher {
         : EmbeddedLogger(this,
             color: request.alertColor, ascii: request.alertAscii);
 
-    sass.Deprecation? deprecationOrWarn(String id) {
-      var deprecation = sass.Deprecation.fromId(id);
-      if (deprecation == null) {
-        logger.warn('Invalid deprecation "$id".');
-      }
-      return deprecation;
+    Iterable<sass.Deprecation>? parseDeprecationsOrWarn(
+        Iterable<String> deprecations,
+        {bool supportVersions = false}) {
+      return () sync* {
+        for (var item in deprecations) {
+          var deprecation = sass.Deprecation.fromId(item);
+          if (deprecation == null) {
+            if (supportVersions) {
+              try {
+                yield* sass.Deprecation.forVersion(Version.parse(item));
+              } on FormatException {
+                logger.warn('Invalid deprecation id or version "$item".');
+              }
+            } else {
+              logger.warn('Invalid deprecation id "$item".');
+            }
+          } else {
+            yield deprecation;
+          }
+        }
+      }();
     }
 
-    var fatalDeprecations =
-        request.fatalDeprecation.map(deprecationOrWarn).whereNotNull();
+    var fatalDeprecations = parseDeprecationsOrWarn(request.fatalDeprecation,
+        supportVersions: true);
     var silenceDeprecations =
-        request.silenceDeprecation.map(deprecationOrWarn).whereNotNull();
-    var futureDeprecations =
-        request.futureDeprecation.map(deprecationOrWarn).whereNotNull();
+        parseDeprecationsOrWarn(request.silenceDeprecation);
+    var futureDeprecations = parseDeprecationsOrWarn(request.futureDeprecation);
 
     try {
       var importers = request.importers.map((importer) =>
diff --git a/pkg/sass_api/CHANGELOG.md b/pkg/sass_api/CHANGELOG.md
index e82b07c57..0006705c9 100644
--- a/pkg/sass_api/CHANGELOG.md
+++ b/pkg/sass_api/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 10.4.4
+
+* No user-visible changes.
+
 ## 10.4.3
 
 * No user-visible changes.
diff --git a/pkg/sass_api/pubspec.yaml b/pkg/sass_api/pubspec.yaml
index 0943de732..c184e5f24 100644
--- a/pkg/sass_api/pubspec.yaml
+++ b/pkg/sass_api/pubspec.yaml
@@ -2,7 +2,7 @@ name: sass_api
 # Note: Every time we add a new Sass AST node, we need to bump the *major*
 # version because it's a breaking change for anyone who's implementing the
 # visitor interface(s).
-version: 10.4.3
+version: 10.4.4
 description: Additional APIs for Dart Sass.
 homepage: https://github.com/sass/dart-sass
 
@@ -10,7 +10,7 @@ environment:
   sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
-  sass: 1.77.3
+  sass: 1.77.4
 
 dev_dependencies:
   dartdoc: ">=6.0.0 <9.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 5260eba17..c8656f802 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: sass
-version: 1.77.3
+version: 1.77.4
 description: A Sass implementation in Dart.
 homepage: https://github.com/sass/dart-sass