diff --git a/VERSION.txt b/VERSION.txt
index 75d1c3cf32..1ac3baec2d 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.5.90
\ No newline at end of file
+5.5.91
\ No newline at end of file
diff --git a/config/ninja.php b/config/ninja.php
index e56a4a0696..aa29ca2e52 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -14,8 +14,8 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', 'invoicing.co'),
-    'app_version' => '5.5.90',
-    'app_tag' => '5.5.90',
+    'app_version' => '5.5.91',
+    'app_tag' => '5.5.91',
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', ''),