diff --git a/pyproject.toml b/pyproject.toml
index 6c0e3b5a..e3841e35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ doc = [
 ]
 build = [
     "flit~=3.7",
-    "dunamai==1.19.2",
+    "dunamai==1.21.2",
 ]
 
 [tool.setuptools]