diff --git a/.github/workflows/hybrid-gate.yml b/.github/workflows/hybrid-gate.yml
index 7a8be40..92eed61 100644
--- a/.github/workflows/hybrid-gate.yml
+++ b/.github/workflows/hybrid-gate.yml
@@ -345,7 +345,7 @@ jobs:
           chmod 0600 ~/.git-credentials
 
       - name: Install cargo-nextest
-        uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
+        uses: taiki-e/install-action@ba47c86ac325773530516bb756137ac718732518 # v2.86.5
         with:
           tool: nextest
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index c8a3cf1..73ebb95 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -108,7 +108,7 @@ jobs:
       # parse the CVSS-4.0 advisories now in the RustSec DB (erroring the whole
       # scan). Pin the exact version — a DB-format bump is a deliberate, reviewed
       # change, never an implicit floor. See kanon#2385.
-      - uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
+      - uses: taiki-e/install-action@ba47c86ac325773530516bb756137ac718732518 # v2.86.5
         with:
           tool: cargo-audit@0.22.2
       - name: cargo audit