diff --git a/pyproject.toml b/pyproject.toml
index 7e57706..799870e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,14 +12,14 @@ license = "Apache-2.0"
 
 [tool.poetry.dependencies]
 python = ">=3.7,<3.11"
-singer-sdk = { version="=0.4.1" }
+singer-sdk = { version="=0.4.2" }
 fs-s3fs = { version = "~=1.1.1", optional = true }
 requests = "~=2.31.0"
 cached-property = "~=1" # Remove after Python 3.7 support is dropped
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.4.0"
-singer-sdk = { version="=0.4.1", extras = ["testing"] }
+singer-sdk = { version="=0.4.2", extras = ["testing"] }
 
 [tool.poetry.extras]
 s3 = ["fs-s3fs"]