diff --git a/pyproject.toml b/pyproject.toml
index d2c6ef1..77bc3da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ license = {text = "GNU General Public License v3"}
 dependencies = [
     "farmOS",
     "psycopg2",
+    "pyramid_exclog",
     "WuttaWeb[continuum]>=0.27.3",
 ]