diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfad344..e1ac3a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
 # Changelog
+## v1.9.1 3/11/26
+- Add merge_contextvars to default structlog configuration
+
 ## v1.9.0 3/10/26
 - Add capability to upload arbitrary file type to S3
 
diff --git a/pyproject.toml b/pyproject.toml
index c0a20e8..ec7f11e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "nypl_py_utils"
-version = "1.9.0"
+version = "1.9.1"
 authors = [
   { name="Aaron Friedman", email="aaronfriedman@nypl.org" },
 ]
diff --git a/src/nypl_py_utils/functions/log_helper.py b/src/nypl_py_utils/functions/log_helper.py
index 1370c64..5d1a38b 100644
--- a/src/nypl_py_utils/functions/log_helper.py
+++ b/src/nypl_py_utils/functions/log_helper.py
@@ -15,18 +15,19 @@
 # Configure structlog to be machine-readable first and foremost
 # while still making it easy for humans to parse
 # End result (without additional bindings) is JSON like this:
-#
-# { "logger": "module param"
-#   "message": "this is a test log event",
-#  "level": "info",
-#  "timestamp": "2023-11-01 18:50:47"}
-#
+# {
+#     "logger": "module param",
+#     "message": "this is a test log event",
+#     "level": "info",
+#     "timestamp": "2023-11-01 18:50:47"
+# }
 def get_structlog(module):
     structlog.configure(
         processors=[
+            structlog.contextvars.merge_contextvars,
             structlog.processors.add_log_level,
-            structlog.processors.TimeStamper(fmt="iso"),
-            structlog.processors.EventRenamer("message"),
+            structlog.processors.TimeStamper(fmt='iso'),
+            structlog.processors.EventRenamer('message'),
             structlog.processors.JSONRenderer(),
         ],
         context_class=dict,