diff --git a/pyproject.toml b/pyproject.toml
index 34c26fc..f78d518 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
     "lunr[languages]>=0.8.0,<0.9",
     "markdownify>=1.2.2,<1.3",
     "Mastodon.py>=2.1.4,<2.3",
-    "orjson>=3.11.4,<3.12",
+    "orjson>=3.11.4,<3.13",
     "packaging>=25,<27",
     "rich_argparse>=1.7.2,<1.9",
     "python-frontmatter>=1.1.0,<2",