diff --git a/requirements-docs.txt b/requirements-docs.txt
index 006d550..0696bee 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -4,19 +4,37 @@
 #
 #    pip-compile requirements-docs.in
 #
-alabaster==0.7.8          # via sphinx
-babel==2.3.4              # via sphinx
-buildthedocs==1.0.3       # via -r requirements-docs.in
-click==6.6                # via buildthedocs
-colorama==0.4.1           # via sphinx
-docutils==0.12            # via sphinx
-imagesize==0.7.1          # via sphinx
-jinja2==2.10.1            # via buildthedocs, sphinx
-markupsafe==0.23          # via jinja2
-pietroalbini-sphinx-themes==1.3.1  # via -r requirements-docs.in
-pygments==2.1.3           # via sphinx
-pytz==2016.4              # via babel
-pyyaml==5.1               # via buildthedocs
-six==1.10.0               # via sphinx
-snowballstemmer==1.2.1    # via sphinx
-sphinx==1.4.3             # via buildthedocs, pietroalbini-sphinx-themes
+alabaster==0.7.8
+    # via sphinx
+babel==2.3.4
+    # via sphinx
+buildthedocs==1.0.3
+    # via -r requirements-docs.in
+click==6.6
+    # via buildthedocs
+docutils==0.12
+    # via sphinx
+imagesize==0.7.1
+    # via sphinx
+jinja2==2.11.3
+    # via
+    #   buildthedocs
+    #   sphinx
+markupsafe==0.23
+    # via jinja2
+pietroalbini-sphinx-themes==1.3.1
+    # via -r requirements-docs.in
+pygments==2.1.3
+    # via sphinx
+pytz==2016.4
+    # via babel
+pyyaml==5.1
+    # via buildthedocs
+six==1.10.0
+    # via sphinx
+snowballstemmer==1.2.1
+    # via sphinx
+sphinx==1.4.3
+    # via
+    #   buildthedocs
+    #   pietroalbini-sphinx-themes