1 files changed, 2 insertions, 0 deletions

diff --git a/docs/development/contributing_guide.md b/docs/development/contributing_guide.md

index ab320cbd78..4e1df51164 100644
--- a/docs/development/contributing_guide.md
+++ b/docs/development/contributing_guide.md
@@ -62,6 +62,8 @@ pipx install poetry
 but see poetry's [installation instructions](https://python-poetry.org/docs/#installation)
 for other installation methods.
 
+Synapse requires Poetry version 1.2.0 or later.
+
 Next, open a terminal and install dependencies as follows:
 
 ```sh