diff --git a/polyglot/python_worker/Dockerfile b/polyglot/python_worker/Dockerfile
index 9d5fa8b..04b5da8 100644
--- a/polyglot/python_worker/Dockerfile
+++ b/polyglot/python_worker/Dockerfile
@@ -5,7 +5,7 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
-RUN pip install --no-cache-dir "durable-workflow==0.4.22"
+RUN pip install --no-cache-dir "durable-workflow==0.4.35"
 
 COPY activities.py ./activities.py
 # Bake the polyglot smoke scripts into the image so the smoke service does
diff --git a/polyglot/python_workflow/Dockerfile b/polyglot/python_workflow/Dockerfile
index 70993a5..1d3b74e 100644
--- a/polyglot/python_workflow/Dockerfile
+++ b/polyglot/python_workflow/Dockerfile
@@ -5,7 +5,7 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
-RUN pip install --no-cache-dir 'durable-workflow==0.4.22'
+RUN pip install --no-cache-dir 'durable-workflow==0.4.35'
 
 COPY workflow.py ./workflow.py