diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4eff62c..3f2c83f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -166,7 +166,7 @@ jobs:
       - name: deadcode
         run: |
           go install golang.org/x/tools/cmd/deadcode@latest
-          deadcode ./... 2>&1 | head -50
+          deadcode ./...
 
   # -------------------------------------------------------------------------
   # Duplication detection — jscpd.
@@ -175,13 +175,13 @@ jobs:
     name: duplication
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: '20'
       - name: jscpd
         run: |
-          npx jscpd --min-lines 5 --min-tokens 50 --reporters console --blame . 2>&1 | head -50
+          npx --yes jscpd@5.0.12 --min-lines 5 --min-tokens 50 --reporters console --blame .
 
   # -------------------------------------------------------------------------
   # Cross-platform build matrix — only for repos that produce a binary.