diff --git a/requirements/main.txt b/requirements/main.txt
index 75eaa3740183..43bfa0a78abf 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -459,9 +459,9 @@ cssselect==1.2.0 \
     --hash=sha256:666b19839cfaddb9ce9d36bfe4c969132c647b92fc9088c4e23f786b30f1b3dc \
     --hash=sha256:da1885f0c10b60c03ed5eccbb6b68d6eff248d91976fcde348f395d54c9fd35e
     # via premailer
-cssutils==2.11.0 \
-    --hash=sha256:220816dc6d413e81281bbd568c473a8ae28f73b1af008b1bacf3a7ebd21e0334 \
-    --hash=sha256:cd24a30b9a848ca92d80f0d1b362139c0b69de31394d585dbf1b17a5dc4aa627
+cssutils==2.11.1 \
+    --hash=sha256:0563a76513b6af6eebbe788c3bf3d01c920e46b3f90c8416738c5cfc773ff8e2 \
+    --hash=sha256:a67bfdfdff4f3867fab43698ec4897c1a828eca5973f4073321b3bccaf1199b1
     # via premailer
 datadog==0.49.1 \
     --hash=sha256:4a56d57490ea699a0dfd9253547485a57b4120e93489defadcf95c66272374d6 \
@@ -1331,7 +1331,9 @@ mistune==3.0.2 \
 more-itertools==10.2.0 \
     --hash=sha256:686b06abe565edfab151cb8fd385a05651e1fdf8f0a14191e4439283421f8684 \
     --hash=sha256:8fccb480c43d3e99a00087634c06dd02b0d50fbf088b380de5a41a015ec239e1
-    # via openapi-core
+    # via
+    #   cssutils
+    #   openapi-core
 msgpack==1.0.8 \
     --hash=sha256:00e073efcba9ea99db5acef3959efa45b52bc67b61b00823d2a1a6944bf45982 \
     --hash=sha256:0726c282d188e204281ebd8de31724b7d749adebc086873a59efb8cf7ae27df3 \