diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6476bce78f8fc3708d528125e9090ba470b0e0dc..68e4d2b6354787cb88fa10453e4ea535e004d3b0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -47,7 +47,7 @@ test:ubuntu22.04:
   - make -j 2
   - echo "    ... done building OST."
   - echo "    Downloading chemical compounds..."
-  - wget ftp://ftp.wwpdb.org/pub/pdb/data/monomers/components.cif.gz
+  - wget https://files.wwpdb.org/pub/pdb/data/monomers/components.cif.gz
   - echo "    ... done downloading compounds"
   - echo "    Building a compound library..."
   - stage/bin/chemdict_tool create components.cif.gz compounds.chemlib pdb -i