diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b3bbd2da7a17fa8cc71327dd3d47eb11e92fc6a..ed69b6dd8bba16d4541612751867b2b4a8afc531 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,6 +44,7 @@ containers:
     - apt-get -yqq install libhdf5-dev
   script:
     - python -m pip install .
+    - python -m pip list installed
     - python -c "import bilby"
     - python -c "import bilby.bilby_mcmc"
     - python -c "import bilby.core"
@@ -126,6 +127,7 @@ python-3.7:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python37
   script:
     - python -m pip install .
+    - python -m pip list installed
 
     # Run pyflakes
     - flake8 .
@@ -147,6 +149,7 @@ python-3.8:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python38
   script:
     - python -m pip install .
+    - python -m pip list installed
     - pytest
 
 # test example on python 3.9
@@ -156,6 +159,7 @@ python-3.9:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python39
   script:
     - python -m pip install .
+    - python -m pip list installed
     - pytest
 
 
@@ -166,6 +170,7 @@ python-3.7-samplers:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python37
   script:
     - python -m pip install .
+    - python -m pip list installed
 
     - pytest test/integration/sampler_run_test.py --durations 10
 
@@ -176,6 +181,7 @@ python-3.8-samplers:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python38
   script:
     - python -m pip install .
+    - python -m pip list installed
 
     - pytest test/integration/sampler_run_test.py --durations 10
 
@@ -186,6 +192,7 @@ python-3.9-samplers:
   image: containers.ligo.org/lscsoft/bilby/v2-bilby-python39
   script:
     - python -m pip install .
+    - python -m pip list installed
 
     - pytest test/integration/sampler_run_test.py --durations 10
 
@@ -197,6 +204,7 @@ integration-tests-python-3.7:
     - schedules
   script:
     - python -m pip install .
+    - python -m pip list installed
     # Run tests which are only done on schedule
     - pytest test/integration/example_test.py
 
@@ -209,6 +217,7 @@ plotting-python-3.7:
   script:
     - python -m pip install .
     - python -m pip install "ligo.skymap>=0.5.3"
+    - python -m pip list installed
     - pytest test/gw/plot_test.py
 
 
@@ -221,6 +230,7 @@ plotting-python-3.9:
   script:
     - python -m pip install .
     - python -m pip install "ligo.skymap>=0.5.3"
+    - python -m pip list installed
     - pytest test/gw/plot_test.py