diff --git a/Dockerfile b/Dockerfile
index 3b56ffb3f3fcb0ea8b2d3dde728537cfbaf27ce2..067d220202483a851778875eadb259469805df3e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,8 +7,10 @@ ENV PS_VERSION 8.0.0
 # ADD https://github.com/PrestaShop/PrestaShop/releases/download/8.0.0/prestashop_8.0.0.zip /tmp/prestashop.zip
 ADD https://gitlab.labranet.jamk.fi/testautomation-examples/presta-shop-demo/-/archive/main/presta-shop-demo-main.zip /tmp/prestashop.zip
 
-# Extract
+
+RUN apt install p7zip-full
+
 RUN mkdir -p /tmp/data-ps \
-        && unzip -q /tmp/prestashop.zip -d /tmp/data-ps/ \
+        && gunzip -q /tmp/prestashop.zip -d /tmp/data-ps/ \
         && bash /tmp/ps-extractor.sh /tmp/data-ps \
         && rm /tmp/prestashop.zip