diff --git a/pyproject.toml b/pyproject.toml
index f98d644..45b81f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ docs = [
     "sphinxcontrib-applehelp==1.0.4",
     "sphinxcontrib-devhelp==1.0.2",
     "sphinxcontrib-htmlhelp==2.0.1",
-    "sphinxcontrib-qthelp==1.0.3",
+    "sphinxcontrib-qthelp==2.0.0",
     "sphinxcontrib-serializinghtml==1.1.5",
 ]
 dev = [