diff --git a/pyproject.toml b/pyproject.toml
index 0b87d1af..72248eaa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ dependencies = [
     "olefile==0.47.*",
     "defusedxml==0.7.*",
     "spdx-tools==0.8.*",
-    "cyclonedx-python-lib==7.6.2",
+    "cyclonedx-python-lib==8.5.0",
     "pluggy==1.*",
     "click==8.*",
     "javatools>=1.6,==1.*",
diff --git a/surfactant/output/cyclonedx_writer.py b/surfactant/output/cyclonedx_writer.py
index f8d95881..082c9eb4 100644
--- a/surfactant/output/cyclonedx_writer.py
+++ b/surfactant/output/cyclonedx_writer.py
@@ -3,12 +3,13 @@
 from typing import Dict, List, Optional, Tuple
 
 import cyclonedx.output
-from cyclonedx.model import HashAlgorithm, HashType, Tool
+from cyclonedx.model import HashAlgorithm, HashType
 from cyclonedx.model.bom import Bom, BomMetaData
 from cyclonedx.model.bom_ref import BomRef
 from cyclonedx.model.component import Component, ComponentType
 from cyclonedx.model.contact import OrganizationalEntity
 from cyclonedx.model.dependency import Dependency
+from cyclonedx.model.tool import Tool
 
 import surfactant.plugin
 from surfactant import __version__ as surfactant_version