diff --git a/.travis.yml b/.travis.yml
index 901366b..350cbd5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ python:
   - "3.4"
 
 install:
-  - pip install ecdsa  # test without trezorlib for now
+  - pip install ecdsa ed25519  # test without trezorlib for now
   - pip install pylint coverage pep8
 
 script: