diff --git a/requirements/common.txt b/requirements/common.txt
index b33c13e475..14b6469e6c 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -74,7 +74,7 @@ gitdb==0.6.4
 google-api-python-client==1.6.4
 
 # Needed for the email mirror
-html2text==2016.9.19
+html2text==2017.10.4
 httplib2==0.10.3
 -e git+https://github.com/zulip/talon.git@7d8bdc4dbcfcc5a73298747293b99fe53da55315#egg=talon==1.2.10.zulip1
 
diff --git a/requirements/dev_lock.txt b/requirements/dev_lock.txt
index 6553efbd49..e03427fbe5 100644
--- a/requirements/dev_lock.txt
+++ b/requirements/dev_lock.txt
@@ -58,7 +58,7 @@ gitlint==0.8.2
 google-api-python-client==1.6.4
 h2==2.6.2                 # via hyper
 hpack==3.0.0              # via h2
-html2text==2016.9.19
+html2text==2017.10.4
 httplib2==0.10.3
 hyper==0.7.0              # via apns2
 hyperframe==3.2.0         # via h2, hyper
diff --git a/requirements/prod_lock.txt b/requirements/prod_lock.txt
index 3366343e6b..778d2ad47e 100644
--- a/requirements/prod_lock.txt
+++ b/requirements/prod_lock.txt
@@ -41,7 +41,7 @@ gitdb==0.6.4
 google-api-python-client==1.6.4
 h2==2.6.2                 # via hyper
 hpack==3.0.0              # via h2
-html2text==2016.9.19
+html2text==2017.10.4
 httplib2==0.10.3
 hyper==0.7.0              # via apns2
 hyperframe==3.2.0         # via h2, hyper