diff --git a/requirements.txt b/requirements.txt
index 3b93d5617b3..3b9a48f52eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
 giza
+pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
+sphinx>=3.0.4 # not directly required, pinned by Snyk to avoid a vulnerability