diff --git a/.gitea/workflows/check.yml b/.gitea/workflows/check.yml
index 0a914ad..b4e58dc 100644
--- a/.gitea/workflows/check.yml
+++ b/.gitea/workflows/check.yml
@@ -1,9 +1,9 @@
 name: check
 on:
   push:
-    branches: [main]
+    branches: [main, next]
   pull_request:
-    branches: [main]
+    branches: [main, next]
 jobs:
   check:
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index 89e4697..9e17b9c 100644
--- a/README.md
+++ b/README.md
@@ -716,6 +716,8 @@ them. We provide:
   then the product image). Either failing fails the script. It runs the
   checks in the same containers CI does, from a clean copy of the tree,
   so it also catches anything that depends on host state.
+  `.gitea/workflows/check.yml` runs it on every push to `main` and
+  `next` and on every pull request against either.
 
   It passes a fresh `--build-arg CHECK_EPOCH` to each build, unique per
   invocation, which both files declare immediately above their check
diff --git a/TODO.md b/TODO.md
index e05ed56..3f2ef0d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -25,6 +25,12 @@ release" is exactly the contradiction
 
 # Completed Steps
 
+- 2026-09-21: Made `.gitea/workflows/check.yml` run on pushes to `main`
+  and `next` and on pull requests against either, so unit PRs (whose
+  base is `next`) and `next` itself get a CI run instead of relying on a
+  local `make check`
+  ([issue #122](https://git.eeqj.de/sneak/vaultik/issues/122)).
+
 - 2026-08-10: Moved every lint run into its own container, as a build
   step ([issue #113](https://git.eeqj.de/sneak/vaultik/issues/113)).
   New root `Dockerfile.lint`, built by `script/lint`, runs