diff --git a/Dockerfile b/Dockerfile
index 6f8965a..c68261f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,7 @@
 # Run: docker run -it --rm fingr:latest
 
 FROM ubuntu:24.04
- # UV version 0.9
-COPY --from=ghcr.io/astral-sh/uv@sha256:15f68a476b768083505fe1dbfcc998344d0135f0ca1b8465c4760b323904f05a /uv /uvx /bin/
+COPY --from=ghcr.io/astral-sh/uv:0.10@sha256:4cac394b6b72846f8a85a7a0e577c6d61d4e17fe2ccee65d9451a8b3c9efb4ac /uv /uvx /bin/
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
diff --git a/fingr/server.py b/fingr/server.py
index c617afc..316c850 100644
--- a/fingr/server.py
+++ b/fingr/server.py
@@ -129,7 +129,7 @@ async def handle_request(reader: asyncio.StreamReader, writer: asyncio.StreamWri
             if "~" in user_input:
                 try:
                     user_input, width_str = user_input.split("~", 1)
-                    screenwidth = int(max(80, min(int(width_str), 200)))
+                    screenwidth = int(max(30, min(int(width_str), 256))) if width_str else 80
                 except ValueError:
                     pass