diff --git a/.travis.yml b/.travis.yml
index 01423dc5073..e96f69ac3a0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,8 @@ install:
   - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
   - yarn
   - yarn run bower install
-  - cargo install diesel_cli --debug --no-default-features --features postgres && export PATH=$HOME/.cargo/bin:$PATH
-  - cargo install rustfmt
+  - cargo install --force diesel_cli --debug --no-default-features --features postgres && export PATH=$HOME/.cargo/bin:$PATH
+  - cargo install --force rustfmt
   - rustfmt --version
 
 before_script: