diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc10811..734b93a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Install toolchain
-        uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
+        uses: jdx/mise-action@2d8d4cafcbd33be2ea37d2b6f5ad595363d1f1ca # v5.1.1
         with:
           version: 2026.9.12
 
diff --git a/.github/workflows/gate.yml b/.github/workflows/gate.yml
index ae24b6b..7bcb046 100644
--- a/.github/workflows/gate.yml
+++ b/.github/workflows/gate.yml
@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Install toolchain (base branch mise.toml)
-        uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
+        uses: jdx/mise-action@2d8d4cafcbd33be2ea37d2b6f5ad595363d1f1ca # v5.1.1
         with:
           version: 2026.9.12