diff --git a/pyproject.toml b/pyproject.toml
index 101760c..e1c9b89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dynamic = [
 ]
 dependencies = [
   "requests",
-  "singer-sdk~=0.41.0",
+  "singer-sdk~=0.42.1",
   "toolz==1",
 ]
 optional-dependencies.testing = [