diff --git a/.travis.yml b/.travis.yml
index 15eb87a..b9872bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ env:
 install:
   # stack
   - mkdir -p ~/.local/bin
-  - travis_retry curl -L https://github.com/commercialhaskell/stack/releases/download/v1.6.1/stack-1.6.1-linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
+  - travis_retry curl -L https://github.com/commercialhaskell/stack/releases/download/v1.7.1/stack-1.7.1-linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
   - export PATH=~/.local/bin:$PATH
   - stack --no-terminal --version
   # elasticsearch