diff --git a/scripts/ci_install_deps b/scripts/ci_install_deps
index 604faa89d..25d3164e0 100755
--- a/scripts/ci_install_deps
+++ b/scripts/ci_install_deps
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-curl -sSL https://install.python-poetry.org | python3 -
+curl -sSL https://install.python-poetry.org | POETRY_VERSION=1.6.1 python3 -
 which poetry > /dev/null || export PATH=$PATH:$HOME/.local/bin
 poetry --version
 poetry config virtualenvs.in-project true