diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 166687b066a909878a222c779efb2aaa4513812e..db54f5f834aadb1dae8535147ee5d3659a0735ea 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ unittests_py2:
   stage: test
   tags:
     - docker
-  image: tensorflow/tensorflow:latest
+  image: tensorflow/tensorflow:1.13.1
   script:
     - python -m unittest test
 
@@ -24,6 +24,6 @@ unittests_py3:
   stage: test
   tags:
     - docker
-  image: tensorflow/tensorflow:latest-py3
+  image: tensorflow/tensorflow:1.13.1-py3
   script:
     - python -m unittest test
diff --git a/README.md b/README.md
index b58a8c3bea4730e6aae0d16f781954a58f6abf32..a73509d2b70376484e819cb6369024aab673a152 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,9 @@ Via [pip](https://pypi.python.org/pypi/lbn):
 pip install lbn
 ```
 
-NumPy and TensorFlow are the only dependencies.
+NumPy and TensorFlow (1.X) are the only dependencies.
+
+TensorFlow 2.0 is not *yet* supported.
 
 
 ### Testing
diff --git a/requirements.txt b/requirements.txt
index 0c8c3d2e7969d38f8b76ec8f79e2067fea30cdaa..6f22da80ecd93b0f4e030c25b3fdd3801747b09f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 numpy
-tensorflow
+tensorflow<2