diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index a28e523..72ec02d 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -18,7 +18,7 @@ on:
       - .gitea/workflows/deploy.yml
 
 env:
-  PORTAL_RELEASE: v0.3.0
+  PORTAL_RELEASE: v0.3.1
   INSTANCE: redoal-portal
 
 jobs:
@@ -67,6 +67,10 @@ jobs:
           # The release tarball carries the site bundle at site/ (no
           # target/ prefix), so override Cargo.toml's build-time path.
           LEPTOS_SITE_ROOT=site
+          # Portal ships content-hashed pkg files (portal.<hash>.js) with
+          # a hash.txt in the site root; this makes the server reference
+          # them, so a stale cached bundle can never pair with new wasm.
+          LEPTOS_HASH_FILES=true
           # Read-only Gitea token - here it also backs the
           # gitea_releases source for the private redoal/redoal repo,
           # so the owning user needs read access there.