diff --git a/pyproject.toml b/pyproject.toml
index 0128cf4..d96b575 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 ]
 
 dependencies = [
-  "fastcs==0.12.0",
+  "fastcs==0.14.0",
   "orjson",
 ]