diff --git a/requirements/DEV_REQUIREMENTS.txt b/requirements/DEV_REQUIREMENTS.txt
index 898a32dd..ca5e7dc7 100644
--- a/requirements/DEV_REQUIREMENTS.txt
+++ b/requirements/DEV_REQUIREMENTS.txt
@@ -2,8 +2,9 @@ black==21.10b0
 coveralls==3.3.1
 coverage==6.1.2
 isort==5.10.1
-moto==2.2.15
-portray==1.7.0
+moto==2.2.19
+pydoc-markdown==4.3.2 ; python_version >= '3.7'
+pydoc-markdown==3.13.0 ; python_version == '3.6'
 pytest==6.2.5
 pytest-cov==3.0.0
 pylint==2.11.1
\ No newline at end of file