diff --git a/jobs/requirements/default.txt b/jobs/requirements/default.txt
index d307cd2a..d857d20c 100644
--- a/jobs/requirements/default.txt
+++ b/jobs/requirements/default.txt
@@ -38,6 +38,6 @@ aiofiles==0.3.2 \
     --hash=sha256:852a493a877b73e11823bfd4e8e5ef2610d70d12c9eaed961bcd9124d8de8c10
 ciso8601==1.0.7 \
     --hash=sha256:417887f3ffd4918d758ee1e49de25c55eeb702b0f5983f84c2916aadc3071ab3
-pytz==2018.4 \
-    --hash=sha256:65ae0c8101309c45772196b21b74c46b2e5d11b6275c45d251b150d5da334555 \
-    --hash=sha256:c06425302f2cf668f1bba7a0a03f3c1d34d4ebeef2c72003da308b3947c7f749
+pytz==2018.5 \
+    --hash=sha256:a061aa0a9e06881eb8b3b2b43f05b9439d6583c206d0a6c340ff72a7b6669053 \
+    --hash=sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277