diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88e1916..ffda7b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v5.1.2
+## 09/29/2021
+
+1. [](#improved)
+    * Improved support for Twig 2/3
+
 # v5.1.1
 ## 09/14/2021
 
diff --git a/blueprints.yaml b/blueprints.yaml
index 6f11ae7..aab8a6f 100644
--- a/blueprints.yaml
+++ b/blueprints.yaml
@@ -1,7 +1,7 @@
 name: Form
 slug: form
 type: plugin
-version: 5.1.1
+version: 5.1.2
 description: Enables the forms handling
 icon: check-square
 author:
diff --git a/classes/TwigExtension.php b/classes/TwigExtension.php
index 4cae01b..7bc93a6 100644
--- a/classes/TwigExtension.php
+++ b/classes/TwigExtension.php
@@ -12,16 +12,6 @@
  */
 class TwigExtension extends AbstractExtension
 {
-    /**
-     * Return a list of all filters.
-     *
-     * @return array
-     */
-    public function getFilters(): array
-    {
-        return [];
-    }
-
     /**
      * Return a list of all functions.
      *
diff --git a/form.php b/form.php
index 5344802..5f8625b 100644
--- a/form.php
+++ b/form.php
@@ -31,7 +31,9 @@
 use RocketTheme\Toolbox\File\File;
 use RocketTheme\Toolbox\Event\Event;
 use RuntimeException;
+use Twig\Environment;
 use Twig\Extension\CoreExtension;
+use Twig\Extension\EscaperExtension;
 use Twig\TwigFunction;
 use function count;
 use function function_exists;
@@ -355,10 +357,23 @@ public function onTwigInitialized(): void
             new TwigFunction('forms', [$this, 'getForm'])
         );
 
-        $this->grav['twig']->twig()->getExtension(CoreExtension::class)->setEscaper('yaml', function ($twig, $string, $charset) {
-            return Yaml::dump($string);
+        if (Environment::VERSION_ID > 20000) {
+            // Twig 2/3
+            $this->grav['twig']->twig()->getExtension(EscaperExtension::class)->setEscaper(
+                'yaml',
+                function ($twig, $string, $charset) {
+                    return Yaml::dump($string);
+                }
+            );
+        } else {
+            // Twig 1.x
+            $this->grav['twig']->twig()->getExtension(CoreExtension::class)->setEscaper(
+                'yaml',
+                function ($twig, $string, $charset) {
+                    return Yaml::dump($string);
+                }
+            );
         }
-        );
 
     }