diff --git a/_package/pyproject.toml b/_package/pyproject.toml
index 71f2c206d..0ed628257 100644
--- a/_package/pyproject.toml
+++ b/_package/pyproject.toml
@@ -43,7 +43,7 @@ doc = [
     "pandas==2.3.3",
     "parse==1.20.2",
     "pydata_sphinx_theme==0.16.1",
-    "pypandoc==1.15",
+    "pypandoc==1.16",
     "pytest-sphinx==0.6.3",
     "pyyaml==6.0.3",
     "sphinx-autobuild==2024.10.3",