diff --git a/docs/requirements.txt b/docs/requirements.txt
index b1b21a8691d3..d862dcfa82d2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -8,3 +8,7 @@ sphinx-a4doc>=1.6.0
 
 # Sphinx 2.1.0 is the oldest version that accepts a lexer class in add_lexer()
 sphinx>=2.1.0, <6.0
+pillow>=10.3.0 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.2 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability