diff --git a/pyproject.toml b/pyproject.toml
index 10104d46..b72432d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dependencies = [
-  "agate~=1.7.0",
+  "agate~=1.9.1",
   "colorama>=0.3.9,<0.5",
   "isodate>=0.6,<0.7",
   "jsonschema~=4.0",