diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 1633269..46cacd2 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -18,7 +18,7 @@ on:
       - .gitea/workflows/deploy.yml
 
 env:
-  PORTAL_RELEASE: v0.4.0
+  PORTAL_RELEASE: v0.5.1
   INSTANCE: redoal-portal
 
 jobs:
diff --git a/.gitea/workflows/lint-and-reload.yml b/.gitea/workflows/lint-and-reload.yml
index e755fd2..e043268 100644
--- a/.gitea/workflows/lint-and-reload.yml
+++ b/.gitea/workflows/lint-and-reload.yml
@@ -20,7 +20,7 @@ jobs:
       # this site runs (PORTAL_RELEASE in deploy.yml).
       - name: Lint questions
         env:
-          IRIS_RELEASE: v0.4.0
+          IRIS_RELEASE: v0.5.1
         run: |
           # The checkout is on a noexec mount for this runner; the cargo
           # target dir is where it may run what it fetched.