diff --git a/fence/auth.py b/fence/auth.py
index 3bc1873f3..e23ada890 100644
--- a/fence/auth.py
+++ b/fence/auth.py
@@ -35,7 +35,10 @@ def get_jwt():
     try:
         bearer, token = header.split(" ")
     except ValueError:
-        raise Unauthorized("authorization header not in expected format")
+        msg = "authorization header not in expected format"
+        logger.debug(f"{msg}. Received header: {header}")
+        logger.error(f"{msg}.")
+        raise Unauthorized(msg)
     if bearer.lower() != "bearer":
         raise Unauthorized("expected bearer token in auth header")
     return token
diff --git a/fence/jwt/utils.py b/fence/jwt/utils.py
index eada044a7..be6c60f4b 100644
--- a/fence/jwt/utils.py
+++ b/fence/jwt/utils.py
@@ -1,8 +1,13 @@
 import flask
 
+from cdislogging import get_logger
+
 from fence.errors import Unauthorized
 
 
+logger = get_logger(__name__)
+
+
 def get_jwt_header():
     """
     Get the user's JWT from the Authorization header, or raise Unauthorized on failure.
@@ -18,5 +23,8 @@ def get_jwt_header():
     try:
         jwt = header.split(" ")[1]
     except IndexError:
-        raise Unauthorized("authorization header missing token")
+        msg = "authorization header missing token"
+        logger.debug(f"{msg}. Received header: {header}")
+        logger.error(f"{msg}.")
+        raise Unauthorized(msg)
     return jwt
diff --git a/fence/sync/sync_users.py b/fence/sync/sync_users.py
index bcecff599..4320e58ab 100644
--- a/fence/sync/sync_users.py
+++ b/fence/sync/sync_users.py
@@ -1546,7 +1546,7 @@ def _download(self, dbgap_config):
             return dbgap_files
         except Exception as e:
             self.logger.error(e)
-            exit(1)
+            raise
 
     def _sync(self, sess):
         """
diff --git a/poetry.lock b/poetry.lock
index 0cfec2090..6fca33c54 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "addict"
@@ -2574,4 +2574,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<4.0.0"
-content-hash = "15fa26563356231f953231220a30b01ef697832e438b43da018c0529e4e84c6d"
+content-hash = "9e2f3df721c8367c7d0054a034d9e33d84e3ec981c1304ce8a0199d413437b6f"
diff --git a/pyproject.toml b/pyproject.toml
index 06be4f2e3..a26dc447e 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ alembic = "^1.7.7"
 authlib = {git = "https://github.com/uc-cdis/authlib", rev = "v0.11_CVE_patch_v1"}
 # authlib = "*" # let authutils decide which version we're using
 
-authutils = "^6.2.2"
+authutils = "<7"
 bcrypt = "^3.1.4"
 boto3 = "*"
 botocore = "*"