diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7acd8710c..61d097997 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -559,6 +559,7 @@ jobs:
 
       - name: Run CPython tests
         run: |
+          # shellcheck disable=SC2086
           target/release/rustpython -u -m test --slow-ci -j "$CORES" $EXTRA_TEST_ARGS $SKIPS
         timeout-minutes: ${{ matrix.timeout }}
         shell: bash
@@ -725,7 +726,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@stable
 
-      - uses: taiki-e/install-action@94c31af3204a9f15ab40b35ad084410b905bbc73 # v2.87.17
+      - uses: taiki-e/install-action@4cef1412cce204788f482e778a0b9187f9626a29 # v2.87.21
         with:
           tool: cargo-shear
           fallback: none
diff --git a/.github/workflows/cron-ci.yaml b/.github/workflows/cron-ci.yaml
index 16c74bdc4..f5e7bddc2 100644
--- a/.github/workflows/cron-ci.yaml
+++ b/.github/workflows/cron-ci.yaml
@@ -33,7 +33,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@stable
 
-      - uses: taiki-e/install-action@94c31af3204a9f15ab40b35ad084410b905bbc73 # v2.87.17
+      - uses: taiki-e/install-action@4cef1412cce204788f482e778a0b9187f9626a29 # v2.87.21
         with:
           tool: cargo-llvm-cov