diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52be833..35fc373 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
         run: sudo apt-get install -y protobuf-compiler
 
       - name: Install just
-        uses: taiki-e/install-action@7f4eb899022d8fe70b20c4f3de697aa85c309026 # v2.85.11
+        uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
         with:
           tool: just
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 354f568..82f668f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -37,7 +37,7 @@ jobs:
         run: sudo apt-get install -y protobuf-compiler
 
       - name: Install just and cargo-llvm-cov
-        uses: taiki-e/install-action@7f4eb899022d8fe70b20c4f3de697aa85c309026 # v2.85.11
+        uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
         with:
           tool: just,cargo-llvm-cov
 
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a19ef16..0fb944c 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -32,7 +32,7 @@ jobs:
       # the manifest, so the action installs it via its cargo-binstall fallback from lychee's
       # release binaries. Pinned to a commit SHA (CodeQL requires SHAs for third-party actions).
       - name: Install just and lychee
-        uses: taiki-e/install-action@7f4eb899022d8fe70b20c4f3de697aa85c309026 # v2.85.11
+        uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
         with:
           tool: just,lychee
 
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index 90de019..caf4710 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -23,7 +23,7 @@ jobs:
           cache: npm
           cache-dependency-path: ui/package-lock.json
       - name: Install just
-        uses: taiki-e/install-action@7f4eb899022d8fe70b20c4f3de697aa85c309026 # v2.85.11
+        uses: taiki-e/install-action@288e746965032cfcc232e09af2daf5f23c14d780 # v2.86.1
         with:
           tool: just
       # Both steps run a single `just` recipe so the exact command can be reproduced locally