diff --git a/.tool-versions b/.tool-versions
index 00011eb7..1fff30f9 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,5 +1,5 @@
 nodejs 18.17.0 # Keep in sync with package.json.
 yarn 1.22.19
 python 3.11.4 # Keep in sync with .pre-commit-config.yaml and pyproject.toml.
-poetry 1.5.0
+poetry 1.5.1
 ruby 3.2.2