diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 10199198beab4eab6a065e867f9b2df74f36130a..a7994ab308db178ff1f5767d24b4960a82930ebf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,6 @@ cache:
 
 test:
   script:
-  - pwd
   - pip install -U -r requirements.txt
   - cd docs
   - make html
@@ -15,8 +14,6 @@ test:
 
 pages:
   script:
-  - pwd
-  - ls
   - pip install -U -r requirements.txt
   - cd docs
   - make html
diff --git a/requirements.txt b/requirements.txt
index efdf3407b2352c27afe486c67c96a8932d6f54fa..963671dbfa486e16d58f0a8d9eb065c1f6850a4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 gremlinpython==3.3.0
+PyYAML>=3.12