diff --git a/requirements.txt b/requirements.txt
index a82fafa..89a8e27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 aiohug>=0.6
 pyyaml
 apispec==0.39.0
-marshmallow==3.0.0rc4
\ No newline at end of file
+marshmallow==3.26.2
\ No newline at end of file