diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8dde16c6..6a885bfb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
 
       - name: Install Global Dependencies
         run: |
-          composer global require --no-progress --no-scripts --no-plugins symfony/flex dev-main
+          composer global require --no-progress --no-scripts --no-plugins symfony/flex @dev
 
       - name: "Composer install"
         uses: "ramsey/composer-install@v1"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b368dc7..ddb114e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [v1.13.1](https://github.com/symfony/webpack-encore-bundle/releases/tag/v1.13.1)
+
+*November 28th, 2021*
+
+### Bug Fix
+
+- [#153](https://github.com/symfony/webpack-encore-bundle/pull/153) - Skipping null values from rendering - *@sadikoff*
+
 ## [v1.13.0](https://github.com/symfony/webpack-encore-bundle/releases/tag/v1.13.0)
 
 *November 19th, 2021*
diff --git a/tests/Asset/EntrypointLookupTest.php b/tests/Asset/EntrypointLookupTest.php
index 2f2e366f..5d9b3552 100644
--- a/tests/Asset/EntrypointLookupTest.php
+++ b/tests/Asset/EntrypointLookupTest.php
@@ -155,7 +155,7 @@ public function testExceptionOnBadFilename()
     public function testExceptionOnMissingEntry()
     {
         $this->expectException(\Symfony\WebpackEncoreBundle\Exception\EntrypointNotFoundException::class);
-        $this->expectExceptionMessageMatches('/^Could not find the entry "fake_entry" in "[a-zA-Z0-9\/]+". Found: my_entry, other_entry\.$/');
+        $this->expectExceptionMessageMatches('/^Could not find the entry "fake_entry" in "[a-zA-Z0-9\/_]+". Found: my_entry, other_entry\.$/');
 
         $this->entrypointLookup->getCssFiles('fake_entry');
     }
diff --git a/tests/IntegrationTest.php b/tests/IntegrationTest.php
index 1834a02d..317155b0 100644
--- a/tests/IntegrationTest.php
+++ b/tests/IntegrationTest.php
@@ -273,6 +273,12 @@ public function provideRenderStimulusController()
             'controllerValues' => ['isEnabled' => true],
             'expected' => 'data-controller="true-controller" data-true-controller-is-enabled-value="true"',
         ];
+
+        yield 'null-attribute-value-does-not-render' => [
+            'dataOrControllerName' => 'null-controller',
+            'controllerValues' => ['firstName' => null],
+            'expected' => 'data-controller="null-controller"',
+        ];
     }
 
     /**