diff --git a/plugins/Tags/config/Migrations/20210831121348_TagSystem.php b/plugins/Tags/config/Migrations/20210831121348_TagSystem.php
index bb2e412..98492a3 100644
--- a/plugins/Tags/config/Migrations/20210831121348_TagSystem.php
+++ b/plugins/Tags/config/Migrations/20210831121348_TagSystem.php
@@ -10,22 +10,22 @@ class TagSystem extends AbstractMigration
         $tags = $this->table('tags_tags');
         $tags->addColumn('namespace', 'string', [
                 'default' => null,
-                'limit' => 255,
+                'limit' => 191,
                 'null' => true,
             ])
             ->addColumn('predicate', 'string', [
                 'default' => null,
-                'limit' => 255,
+                'limit' => 191,
                 'null' => true,
             ])
             ->addColumn('value', 'string', [
                 'default' => null,
-                'limit' => 255,
+                'limit' => 191,
                 'null' => true,
             ])
             ->addColumn('name', 'string', [
                 'default' => null,
-                'limit' => 255,
+                'limit' => 191,
                 'null' => false,
             ])
             ->addColumn('colour', 'string', [
@@ -66,7 +66,7 @@ class TagSystem extends AbstractMigration
             ])
             ->addColumn('fk_model', 'string', [
                 'default' => null,
-                'limit' => 255,
+                'limit' => 191,
                 'null' => false,
                 'comment' => 'The model name of the entity being tagged'
             ])
@@ -86,4 +86,4 @@ class TagSystem extends AbstractMigration
         $tagged->addIndex(['tag_id', 'fk_id', 'fk_model'], ['unique' => true])
             ->update();
     }
-}
\ No newline at end of file
+}