diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 67609c870..eee365fa3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -167,9 +167,9 @@ run-experiment:
     # Grab analysis and representation tools
     - apt-get install -y octave
     # Grab the data set
-    - apt-get install -y curl
+    - apt-get install -y curl xz-utils
     - curl https://zenodo.org/record/1172670/files/L2_signal_samples.tar.xz --output L2_signal_samples.tar.xz
-    - tar xvzf L2_signal_samples.tar.xz ./data/
+    - tar xvfJ L2_signal_samples.tar.xz ./data/
     - cd data
     - md5sum L2_signal_samples.dat > data.md5
     - md5sum -c data.md5