diff --git a/Dockerfile b/Dockerfile
index d9e7286..1f8564b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # BUILD
 # =====
 
-FROM ubuntu:22.04 as buildstep
+FROM ubuntu:22.04 AS buildstep
 LABEL maintainer="Richard Bullington-McGuire <richard@obscure.org>"
 
 RUN apt-get update \
@@ -46,4 +46,4 @@ ADD alembic.ini /app
 
 WORKDIR /app
 
-CMD freezing-sync
+CMD ['freezing-sync']
diff --git a/freezing/sync/data/streams.py b/freezing/sync/data/streams.py
index 72cc758..9efc18e 100644
--- a/freezing/sync/data/streams.py
+++ b/freezing/sync/data/streams.py
@@ -4,7 +4,6 @@
 from freezing.model import meta
 from freezing.model.orm import Athlete, Ride, RideTrack
 from geoalchemy2.elements import WKTElement
-from polyline.codec import PolylineCodec
 from sqlalchemy import and_, or_, update
 from sqlalchemy.orm import joinedload
 from stravalib.exc import ObjectNotFound
diff --git a/requirements.txt b/requirements.txt
index 1a38b54..de262fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,6 @@ datadog==0.50.2
 envparse==0.2.0
 freezing-model @ https://github.com/freezingsaddles/freezing-model/archive/0.10.4.tar.gz
 greenstalk==2.0.2
-polyline==2.0.2
 pytz==2024.2
 requests==2.32.3
 stravalib==1.2.0