diff --git a/README.md b/README.md
index 1700cbf..d1359ea 100644
--- a/README.md
+++ b/README.md
@@ -76,13 +76,16 @@ asciinema play output/demo.json
 
 ### Converting to GIF
 
-To convert your recording to an animated GIF, use Docker with the `agg` tool:
+To convert your recording to an animated GIF, use the `agg` tool with podman:
 
 ```bash
 cd output
-docker run --rm -v "$PWD:/data" kayvan/agg /data/demo.json /data/demo.gif
+# :Z flag required for SELinux contexts to allow container write access
+podman run --rm -v "$PWD:/data:Z" docker.io/kayvan/agg /data/demo.json /data/demo.gif
 ```
 
+Note: Using `podman` instead of `docker` avoids creating files owned by root.
+
 This creates an optimized GIF suitable for embedding in documentation or sharing.
 
 ### Uploading to asciinema.org