diff --git a/pyproject.toml b/pyproject.toml
index 4ce5d9ac4e..b687e494d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,7 +74,7 @@ Changelog = "https://github.com/apache/libcloud/blob/trunk/CHANGES.rst"
 
 [project.optional-dependencies]
 build = [
-    "build==1.0.3"
+    "build==1.2.1"
 ]
 publish = [
     "twine==4.0.2"