diff --git a/backend/poetry.lock b/backend/poetry.lock
index fa508da..8bd7dee 100644
--- a/backend/poetry.lock
+++ b/backend/poetry.lock
@@ -44,13 +44,33 @@ files = [
 
 [[package]]
 name = "black"
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+version = "23.9.1"
 description = "The uncompromising code formatter."
 optional = false
 python-versions = ">=3.8"
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 [package.dependencies]