diff --git a/requirements/common.in b/requirements/common.in
index 0b2a6ab2f2..012ae59477 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -124,7 +124,7 @@ requests_oauthlib==1.0.0
 rsa==4.0
 
 # Needed for Python 2+3 compatibility
-six==1.11.0
+six==1.12.0
 smmap==0.9.0
 
 # Needed for Tornado websockets support
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 8237d7f369..70d176faa6 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -158,7 +158,7 @@ scrapy==1.5.1
 service-identity==18.1.0  # via scrapy
 sh==1.11                  # via gitlint
 simplegeneric==0.8.1      # via ipython
-six==1.11.0
+six==1.12.0
 smmap==0.9.0
 snakeviz==1.0.0
 snowballstemmer==1.2.1
diff --git a/requirements/prod.txt b/requirements/prod.txt
index f2096c6c98..02dfb707dd 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -110,7 +110,7 @@ requests-oauthlib==1.0.0
 requests[security]==2.21.0  # via matrix-client, premailer, pyoembed, python-gcm, python-twitter, requests-oauthlib, social-auth-core, stripe, twilio
 rsa==4.0
 simplegeneric==0.8.1      # via ipython
-six==1.11.0
+six==1.12.0
 smmap==0.9.0
 social-auth-app-django==3.1.0
 social-auth-core==2.0.0   # via social-auth-app-django