diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index 5360da88..712e0401 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -40,23 +40,23 @@ jobs:
       - name: mono_repo self validate
         run: dart pub global run mono_repo generate --validate
   job_002:
-    name: "analyze_format; linux; Dart 3.5.0; PKG: source_gen; `dart analyze`"
+    name: "analyze_format; linux; Dart 3.6.0-270.0.dev; PKG: source_gen; `dart analyze`"
     runs-on: ubuntu-latest
     steps:
       - name: Cache Pub hosted dependencies
         uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
         with:
           path: "~/.pub-cache/hosted"
-          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:source_gen;commands:analyze_1"
+          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:source_gen;commands:analyze_1"
           restore-keys: |
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:source_gen
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:source_gen
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
-          sdk: "3.5.0"
+          sdk: "3.6.0-270.0.dev"
       - id: checkout
         name: Checkout repository
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
@@ -143,23 +143,23 @@ jobs:
         if: "always() && steps.source_gen_pub_upgrade.conclusion == 'success'"
         working-directory: source_gen
   job_004:
-    name: "unit_test; linux; Dart 3.5.0; PKG: example_usage; `dart test --run-skipped`"
+    name: "unit_test; linux; Dart 3.6.0-270.0.dev; PKG: example_usage; `dart test --run-skipped`"
     runs-on: ubuntu-latest
     steps:
       - name: Cache Pub hosted dependencies
         uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
         with:
           path: "~/.pub-cache/hosted"
-          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:example_usage;commands:test_0"
+          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:example_usage;commands:test_0"
           restore-keys: |
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:example_usage
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:example_usage
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
-          sdk: "3.5.0"
+          sdk: "3.6.0-270.0.dev"
       - id: checkout
         name: Checkout repository
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
@@ -177,23 +177,23 @@ jobs:
       - job_002
       - job_003
   job_005:
-    name: "unit_test; linux; Dart 3.5.0; PKG: source_gen; `dart test`"
+    name: "unit_test; linux; Dart 3.6.0-270.0.dev; PKG: source_gen; `dart test`"
     runs-on: ubuntu-latest
     steps:
       - name: Cache Pub hosted dependencies
         uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
         with:
           path: "~/.pub-cache/hosted"
-          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:source_gen;commands:test_1"
+          key: "os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:source_gen;commands:test_1"
           restore-keys: |
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0;packages:source_gen
-            os:ubuntu-latest;pub-cache-hosted;sdk:3.5.0
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev;packages:source_gen
+            os:ubuntu-latest;pub-cache-hosted;sdk:3.6.0-270.0.dev
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
-          sdk: "3.5.0"
+          sdk: "3.6.0-270.0.dev"
       - id: checkout
         name: Checkout repository
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
@@ -279,13 +279,13 @@ jobs:
       - job_002
       - job_003
   job_008:
-    name: "unit_test; windows; Dart 3.5.0; PKG: source_gen; `dart test`"
+    name: "unit_test; windows; Dart 3.6.0-270.0.dev; PKG: source_gen; `dart test`"
     runs-on: windows-latest
     steps:
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
-          sdk: "3.5.0"
+          sdk: "3.6.0-270.0.dev"
       - id: checkout
         name: Checkout repository
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
diff --git a/example_usage/pubspec.yaml b/example_usage/pubspec.yaml
index 612ef197..96babda5 100644
--- a/example_usage/pubspec.yaml
+++ b/example_usage/pubspec.yaml
@@ -3,7 +3,7 @@ publish_to: none
 resolution: workspace
 
 environment:
-  sdk: ^3.5.0
+  sdk: ^3.6.0-270.0.dev
 
 dependencies:
   source_gen_example:
diff --git a/source_gen/CHANGELOG.md b/source_gen/CHANGELOG.md
index a69d855d..8a903398 100644
--- a/source_gen/CHANGELOG.md
+++ b/source_gen/CHANGELOG.md
@@ -9,7 +9,7 @@
   `GeneratorForAnnotation.generateForAnnotatedElement`.
 - Support all the glob quotes.
 - Require `analyzer: ^6.9.0`
-- Require Dart 3.5.0
+- Require Dart 3.6.0-270.0.dev
 - `LibraryBuilder`, `PartBuilder`, and `SharedPartBuilder` now take an optional `writeDescriptions` boolean. When set to `false`, headers and generator descriptions for the files will not be included in the builder output.
 
 ## 1.5.0
diff --git a/source_gen/lib/src/constants/revive.dart b/source_gen/lib/src/constants/revive.dart
index ddfaded2..4bd038ac 100644
--- a/source_gen/lib/src/constants/revive.dart
+++ b/source_gen/lib/src/constants/revive.dart
@@ -43,7 +43,7 @@ Revivable reviveInstance(DartObject object, [LibraryElement? origin]) {
   if (element is MethodElement && element.isStatic) {
     return Revivable._(
       source: url.removeFragment(),
-      accessor: '${element.enclosingElement.name}.${element.name}',
+      accessor: '${element.enclosingElement3.name}.${element.name}',
     );
   }
 
@@ -81,7 +81,7 @@ Revivable reviveInstance(DartObject object, [LibraryElement? origin]) {
   }
   final i = (object as DartObjectImpl).getInvocation();
   if (i != null) {
-    url = Uri.parse(urlOfElement(i.constructor.enclosingElement));
+    url = Uri.parse(urlOfElement(i.constructor.enclosingElement3));
     final result = Revivable._(
       source: url,
       accessor: i.constructor.name,
diff --git a/source_gen/pubspec.yaml b/source_gen/pubspec.yaml
index 66b5c831..12889bc9 100644
--- a/source_gen/pubspec.yaml
+++ b/source_gen/pubspec.yaml
@@ -6,10 +6,10 @@ repository: https://github.com/dart-lang/source_gen/tree/master/source_gen
 resolution: workspace
 
 environment:
-  sdk: ^3.5.0
+  sdk: ^3.6.0-270.0.dev
 
 dependencies:
-  analyzer: ^6.4.0
+  analyzer: ^6.9.0
   async: ^2.5.0
   build: ^2.1.0
   dart_style: ^2.3.7