diff --git a/src/python/pants/backend/python/subsystems/poetry.py b/src/python/pants/backend/python/subsystems/poetry.py
index cb7214b7825..3a5a5a94850 100644
--- a/src/python/pants/backend/python/subsystems/poetry.py
+++ b/src/python/pants/backend/python/subsystems/poetry.py
@@ -24,7 +24,7 @@ class PoetrySubsystem(PythonToolRequirementsBase):
     options_scope = "poetry"
     help = "Used to generate lockfiles for third-party Python dependencies."
 
-    default_version = "poetry==1.1.7"
+    default_version = "poetry==1.1.8"
 
     register_interpreter_constraints = True
     default_interpreter_constraints = ["CPython>=3.6"]