Use same prompt-toolkit version as Rasa
@@ -70,7 +70,10 @@ requests = "^2.23"
typing-extensions = ">=3.7.4,<5.0.0"
Sanic-Cors = "^2.0.0"
urllib3 = "^1.26.5"
-prompt-toolkit = ">=2,<4"
+# there is currently an issue with 3.0.29 as it changes the unit test
+# interface for testing CLI interactions. this change breaks our unit
+# tests in rasa-oss.
+prompt-toolkit = "^3.0,<3.0.29"
[tool.poetry.dev-dependencies]
pytest-cov = "^3.0.0"
