diff --git a/.travis.yml b/.travis.yml
index 16cce31..3783011 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,10 +10,13 @@ matrix:
         # Should still build on stable though
         - env: TARGET=aarch64-unknown-linux-gnu
           rust: nightly
+          python: 3.5
         - env: TARGET=x86_64-unknown-linux-gnu
           rust: nightly
+          python: 3.5
         - env: TARGET=x86_64-unknown-linux-musl
           rust: nightly
+          python: 3.5
 
 before_install:
     - set -e