diff --git a/pyproject.toml b/pyproject.toml
index cfa5d0a..d9bd604 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "crccheck>=1.3.0,<2",
     "jsonpickle>=3.0.4,<4",
     "langcodes>=3.4.0,<4",
-    "lxml>=5.2.1,<6",
+    "lxml>=5.2.1,<7",
     "pproxy>=2.7.9,<3",
     "protobuf>=4.25.3,<5",
     "pycaption>=2.2.6,<3",
diff --git a/unshackle/commands/prd.py b/unshackle/commands/prd.py
index ad46950..443efec 100644
--- a/unshackle/commands/prd.py
+++ b/unshackle/commands/prd.py
@@ -8,7 +8,7 @@ from Crypto.Random import get_random_bytes
 from pyplayready.cdm import Cdm
 from pyplayready.crypto.ecc_key import ECCKey
 from pyplayready.device import Device
-from pyplayready.exceptions import InvalidCertificateChain, OutdatedDevice
+from pyplayready.misc.exceptions import InvalidCertificateChain, OutdatedDevice
 from pyplayready.system.bcert import Certificate, CertificateChain
 from pyplayready.system.pssh import PSSH