diff --git a/docs/requirements-rtd.txt b/docs/requirements-rtd.txt
new file mode 100644
index 000000000..2220357e1
--- /dev/null
+++ b/docs/requirements-rtd.txt
@@ -0,0 +1,10 @@
+# Keep this file in sync with requirements.txt, except tensorflow
+
+flake8-docstrings>=1.3,<1.4
+matplotlib>=2.2,<2.3
+pymongo>=3.6,<3.7
+progressbar2>=3.37,<3.38
+scikit-image>=0.13,<0.14
+scipy>=1.0,<1.1
+sphinx>=1.7,<1.8
+tensorflow==1.5.0  # DO NOT MODIFY: https://github.com/tensorflow/tensorflow/issues/17441
diff --git a/docs/requirements.txt b/docs/requirements.txt
index bc48f2523..046b187de 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,5 @@
+# Keep this file in sync with requirements-rtd.txt, except tensorflow
+
 flake8-docstrings>=1.3,<1.4
 matplotlib>=2.2,<2.3
 pymongo>=3.6,<3.7