diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index b42d1ddfe..c7a44975f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -72,7 +72,7 @@ jobs:
     steps:
 
       - name: Download tar archive
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{ env.VERILATOR_ARCHIVE }}
           path: ${{ github.workspace }}
diff --git a/.github/workflows/reusable-rtlmeter-run.yml b/.github/workflows/reusable-rtlmeter-run.yml
index 259fe1042..63d3e9ccc 100644
--- a/.github/workflows/reusable-rtlmeter-run.yml
+++ b/.github/workflows/reusable-rtlmeter-run.yml
@@ -59,7 +59,7 @@ jobs:
           sudo apt install ccache mold libfl-dev libgoogle-perftools-dev libsystemc-dev
 
       - name: Download Verilator installation archive
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: verilator-rtlmeter-${{ inputs.runs-on }}-${{ inputs.cc }}
 
diff --git a/.github/workflows/reusable-test.yml b/.github/workflows/reusable-test.yml
index f3b07c902..4795bc605 100644
--- a/.github/workflows/reusable-test.yml
+++ b/.github/workflows/reusable-test.yml
@@ -51,7 +51,7 @@ jobs:
     steps:
 
       - name: Download tar archive
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{ env.VERILATOR_ARCHIVE }}
           path: ${{ github.workspace }}
diff --git a/.github/workflows/rtlmeter-pr-results.yml b/.github/workflows/rtlmeter-pr-results.yml
index 8d9750ddc..e1091b5c7 100644
--- a/.github/workflows/rtlmeter-pr-results.yml
+++ b/.github/workflows/rtlmeter-pr-results.yml
@@ -20,13 +20,13 @@ jobs:
       pull-requests: write
     steps:
       - name: Download report
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: rtlmeter-pr-results
           run-id: ${{ github.event.workflow_run.id }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Download PR number
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: pr-number
           run-id: ${{ github.event.workflow_run.id }}
diff --git a/.github/workflows/rtlmeter.yml b/.github/workflows/rtlmeter.yml
index 187df7395..7bcb6e91e 100644
--- a/.github/workflows/rtlmeter.yml
+++ b/.github/workflows/rtlmeter.yml
@@ -161,7 +161,7 @@ jobs:
         working-directory: rtlmeter
         run: make venv
       - name: Download all results
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: rtlmeter-results-${{ matrix.tag }}-*
           path: all-results-${{ matrix.tag }}
@@ -190,7 +190,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Download combined results
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: all-results-*
           path: results
@@ -252,7 +252,7 @@ jobs:
         working-directory: rtlmeter
         run: make venv
       - name: Download combined results
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: all-results-*
           path: all-results
@@ -271,7 +271,7 @@ jobs:
           DATE=$(gh run --repo ${{ github.repository }} view $ID --json createdAt --jq ".createdAt")
           echo "date=$DATE" >> $GITHUB_OUTPUT
       - name: Download scheduled run results
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: published-results
           path: nightly-results