diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
index d391253d61cb..3d2ec6e72ec5 100644
--- a/tests/unit/test_config.py
+++ b/tests/unit/test_config.py
@@ -274,6 +274,7 @@ def __init__(self):
                         "RequestVarsDebugPanel"
                     ),
                     "pyramid_debugtoolbar.panels.renderings.RenderingsDebugPanel",
+                    "pyramid_debugtoolbar.panels.session.SessionDebugPanel",
                     "pyramid_debugtoolbar.panels.logger.LoggingPanel",
                     (
                         "pyramid_debugtoolbar.panels.performance."
diff --git a/warehouse/config.py b/warehouse/config.py
index 3c11a156a607..90f1a185062f 100644
--- a/warehouse/config.py
+++ b/warehouse/config.py
@@ -520,6 +520,7 @@ def configure(settings=None):
                     "headers.HeaderDebugPanel",
                     "request_vars.RequestVarsDebugPanel",
                     "renderings.RenderingsDebugPanel",
+                    "session.SessionDebugPanel",
                     "logger.LoggingPanel",
                     "performance.PerformanceDebugPanel",
                     "routes.RoutesDebugPanel",