diff --git a/pyproject.toml b/pyproject.toml
index 930ad52..c65d9b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "<3.12,>=3.7.2"
-singer-sdk = { version = "^0.31.1" }
+singer-sdk = { version = "^0.35.0" }
 fs-s3fs = { version = "^1.1.1", optional = true }
 pymongo = "^4.4.1"
 "backports.cached-property" = { version = "^1.0.2" }
@@ -28,7 +28,7 @@ black = "^23.1.0"
 pyupgrade = "^3.3.1"
 mypy = "^1.0.0"
 isort = "^5.11.5"
-singer-sdk = { version = "^0.31.1", extras = ["testing"] }
+singer-sdk = { version = "^0.35.0", extras = ["testing"] }
 pylint = "^3.0.0a6"
 
 [tool.poetry.extras]