diff --git a/.cirrus.yml b/.cirrus.yml
index d860a0ad5..1881bce34 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -114,7 +114,7 @@ task:
     image: node:latest
   compile_script:
   - apt-get update
-  - apt install gfortran
+  - apt install -y gfortran
   - make
   - wget https://gist.github.com/martin-frbg/7790c2cd10f4a56fefd7bb8a8309113f/raw/442dddacd1392c5f43ae7f70d6e315331fa5be49/issue4583.cpp
   - g++ -I. -Ilapack-netlib/LAPACKE/include issue4583.cpp libopenblas.a -lgfortran -o issue4583