diff --git a/tests/makephar.sh b/tests/makephar.sh
index 447a9677..d5ff63b1 100755
--- a/tests/makephar.sh
+++ b/tests/makephar.sh
@@ -63,7 +63,7 @@ cd ..
     cmake -DCMAKE_INSTALL_PREFIX=$HOME/.phpenv/versions/7.3.6 .
     make -j11
     make install
-    phpenv install 7.3.6
+    phpenv install 7.3.6 <<<y
 
     ~/.phpenv/versions/7.3.6/bin/php $php7to5 convert --copy-all phar7 phar5 >/dev/null
     sed 's/^Loop::set.*;//g' -i phar5/vendor/amphp/amp/lib/Loop.php