diff --git a/pyproject.toml b/pyproject.toml
index 714a284b..6922602a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ awskms = ["boto3", "botocore", "cryptography>=40.0.0"]
 hsm = ["asn1crypto", "cryptography>=40.0.0", "PyKCS11"]
 pynacl = ["pynacl>1.2.0"]
 PySPX = ["PySPX>=0.5.0"]
-sigstore = ["sigstore~=2.0.0"]
+sigstore = ["sigstore~=2.0"]
 
 [tool.hatch.version]
 path = "securesystemslib/__init__.py"