diff --git a/.travis.yml b/.travis.yml
index feaf9ec..34624d6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ python:
 - "3.8"
 
 install:
-- pip install poetry
+- pip install poetry==1.0.10
 - poetry install
 
 script: