diff --git a/Dockerfile b/Dockerfile
index fdae322..43da672 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,4 +24,4 @@ RUN python3 -m pip install -e incl/pdf2image
 EXPOSE 5000
 EXPOSE 8080
 
-CMD ["python3", "src/serve.py"]
+CMD ["python3", "-u", "src/serve.py"]
diff --git a/incl/pdf2image b/incl/pdf2image
index 9bb5a86..f7292c3 160000
--- a/incl/pdf2image
+++ b/incl/pdf2image
@@ -1 +1 @@
-Subproject commit 9bb5a86310f065b852e16679cf37d5c939c0cacd
+Subproject commit f7292c30ad7c7ae5f07cee6925adda096301b60a