diff --git a/.zuul.yaml b/.zuul.yaml
index bc415dd3eb..2b51b9d883 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -95,7 +95,7 @@
 - job:
     name: zuul-tox-py36
     parent: zuul-tox
-    timeout: 4800  # 80 minutes
+    timeout: 5400  # 90 minutes
     vars:
       tox_envlist: py36
       python_version: 3.6
@@ -103,7 +103,7 @@
 - job:
     name: zuul-tox-py38
     parent: zuul-tox
-    timeout: 4800  # 80 minutes
+    timeout: 5400  # 90 minutes
     vars:
       tox_envlist: py38
       python_version: 3.8