diff --git a/requirements.txt b/requirements.txt
index 4b4ac1f0..3d553ff0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,7 @@ beautifulsoup4==4.9.0
 git+https://github.com/scieloorg/xylose.git@1.35.8#egg=xylose
 git+https://github.com/scieloorg/opac_schema.git@v2.66#egg=opac_schema
 git+https://github.com/scieloorg/packtools.git@2.9.5#egg=packtools
-aiohttp==3.6.2
+aiohttp==3.9.4
+dnspython>=2.6.1 # not directly required, pinned by Snyk to avoid a vulnerability
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability