diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6f47d66..07cf219 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@9534c84618278caac52cb373bb164ed464dbd8af # v2.87.11
+        uses: taiki-e/install-action@4076c08d76dba979c11a7285295b0716c1d67908 # v2.87.15
         with:
           tool: cargo-llvm-cov
           fallback: none
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Install just
-        uses: taiki-e/install-action@9534c84618278caac52cb373bb164ed464dbd8af # v2.87.11
+        uses: taiki-e/install-action@4076c08d76dba979c11a7285295b0716c1d67908 # v2.87.15
         with:
           tool: just
           fallback: none