diff --git a/requirements/dev.txt b/requirements/dev.txt
index 73464f57db..7b4e8703f7 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -15,7 +15,7 @@ git+https://github.com/zulip/talon.git@7d8bdc4dbcfcc5a73298747293b99fe53da55315#
 git+https://github.com/zulip/ultrajson@70ac02bec#egg=ujson==1.35+git
 git+https://github.com/zulip/python-zulip-api.git@0.5.5#egg=zulip==0.5.5_git&subdirectory=zulip
 git+https://github.com/zulip/python-zulip-api.git@0.5.5#egg=zulip_bots==0.5.5+git&subdirectory=zulip_bots
-alabaster==0.7.11
+alabaster==0.7.12
 apns2==0.4.1
 argon2-cffi==18.1.0
 arrow==0.10.0             # via gitlint
diff --git a/requirements/docs.in b/requirements/docs.in
index a6bda8ba70..8534cb15be 100644
--- a/requirements/docs.in
+++ b/requirements/docs.in
@@ -15,7 +15,7 @@ sphinx-rtd-theme==0.4.1
 recommonmark==0.4.0
 
 # Dependencies of Sphinx
-alabaster==0.7.11
+alabaster==0.7.12
 babel==2.5.3
 # Upgrading to the latest version of CommonMark breaks the
 # compatibility with recommonmark.  See
diff --git a/requirements/docs.txt b/requirements/docs.txt
index 3f1b0b11d5..06309f6637 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -7,7 +7,7 @@
 #
 # For details, see requirements/README.md .
 #
-alabaster==0.7.11
+alabaster==0.7.12
 babel==2.5.3
 certifi==2017.11.5        # via requests
 chardet==3.0.4            # via requests