diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc10811..b636e6c 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@9149ea85001c7435d5a66bb127d6a1b6227cb0a5 # v5.0.0
         with:
           version: 2026.9.12
 
diff --git a/.github/workflows/gate.yml b/.github/workflows/gate.yml
index ebb4f9f..613f61b 100644
--- a/.github/workflows/gate.yml
+++ b/.github/workflows/gate.yml
@@ -24,7 +24,7 @@ jobs:
           persist-credentials: false
 
       - name: Install toolchain (base branch mise.toml)
-        uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
+        uses: jdx/mise-action@9149ea85001c7435d5a66bb127d6a1b6227cb0a5 # v5.0.0
         with:
           version: 2026.9.12