diff --git a/devtools/requirements-poetry.in b/devtools/requirements-poetry.in
index 55e389c80..2c6833724 100644
--- a/devtools/requirements-poetry.in
+++ b/devtools/requirements-poetry.in
@@ -1,3 +1,3 @@
 # Fixing this here as readthedocs can't use the compiled requirements-poetry.txt
 # due to conflicts.
-poetry==1.4.0
+poetry==1.5.0