diff --git a/requirements/dev.in b/requirements/dev.in
index 1a53d0e0fd..99dfddffbd 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -8,7 +8,7 @@
 moto==1.3.13
 
 # Needed for running tools/run-dev.py
-Twisted==19.2.1
+Twisted==19.7.0
 
 # Needed for documentation links test
 Scrapy==1.7.2
diff --git a/requirements/dev.txt b/requirements/dev.txt
index af1eb1a6e6..aeebcabd3b 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -172,7 +172,7 @@ tornado==4.5.3
 traitlets==4.3.2          # via ipython
 transifex-client==0.12.5
 twilio==6.29.2
-twisted==19.2.1
+twisted==19.7.0
 typed-ast==1.4.0          # via mypy
 typing-extensions==3.7.4
 git+https://github.com/zulip/ultrajson@70ac02bec#egg=ujson==1.35+git