diff --git a/pyproject.toml b/pyproject.toml
index 2591cc6..5031a0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ dev = [
 ]
 docs = [
     # We cannot update sphinx to >6 until docutils==0.20 is released: https://github.com/mcmtroffaes/sphinxcontrib-bibtex/issues/322
-    "docutils==0.17",
+    "docutils==0.21.2",
     "sphinx<6",
     "sphinx-autobuild",
     "nbsphinx",