diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46718d6..ee7b8d0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
       # 2. Install the toolchain from .mise.toml — Node is pinned there to the
       #    same version packaging/assemble.sh bundles into the .deb, so CI tests
       #    the runtime that actually ships.
-      - uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
+      - uses: jdx/mise-action@08ae2a091c038e1e05ec6f5115dc5c69d5a2a6b8 # v5.1.2
         with:
           install: true
           cache: true