diff --git a/.travis/install.sh b/.travis/install.sh
index 4de5e0c10..2e256e143 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -36,9 +36,9 @@ if [[ "$(uname -s)" == 'Darwin' ]]; then
             ;;
     esac
     pyenv rehash
-    python -m pip install --user virtualenv
+    python -m pip install --user 'virtualenv<14.0'
 else
-    pip install virtualenv
+    pip install 'virtualenv<14.0'
     sudo add-apt-repository -y ppa:gezakovacs/lz4
     sudo apt-get update
     sudo apt-get install -y liblz4-dev