diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0d653f3..955a666 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
       # Reads .mise.toml, which is where bun's version is pinned -- the same
       # arrangement the four sibling -web repos use. This repository was the odd
       # one out on pnpm with no .mise.toml at all.
-      - uses: jdx/mise-action@c37c93293d6b742fc901e1406b8f764f6fb19dac # v2
+      - uses: jdx/mise-action@9e7f7633ff6f6d6048a9418a68d48f288f50eb14 # v4.2.3
 
       - name: Build
         uses: ./.github/actions/build