diff --git a/doc/requirements.txt b/doc/requirements.txt
index 8f8b2a6c3e84..2ff090a99b1e 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -9,4 +9,5 @@ sphinx-gitstamp
 sphinxcontrib-jsmath
 sphinxcontrib-osexample
 sphinxcontrib-qthelp
-sphinxcontrib-serializinghtml
\ No newline at end of file
+sphinxcontrib-serializinghtml
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file