diff --git a/requirements.txt b/requirements.txt
index 8a5dc14..af09cc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ powrap==1.0.2
 
 # Dependencies for scripts/lock-translations.py
 python-dateutil==2.9.0.post0
-transifex-python==3.5.0
+transifex-python==3.7.0
 
 # Dependencies required by scripts/manage_versions.py
 bs4==0.0.2