diff --git a/devtools/requirements-poetry.in b/devtools/requirements-poetry.in
index 5f5b002aa..e88caca3b 100644
--- a/devtools/requirements-poetry.in
+++ b/devtools/requirements-poetry.in
@@ -1,4 +1,4 @@
 # Fixing this here as readthedocs can't use the compiled requirements-poetry.txt
 # due to conflicts.
 poetry==2.0.0
-poetry-plugin-export==1.8.0
+poetry-plugin-export==1.9.0