diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 8ddd571..502dcf7 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -136,7 +136,7 @@ jobs:
         uses: ./.github/actions/setup-integration-test
 
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
@@ -224,7 +224,7 @@ jobs:
 
       # Download program artifacts
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
diff --git a/.github/workflows/dependency-updates.yml b/.github/workflows/dependency-updates.yml
index ff01270..0f59fdb 100644
--- a/.github/workflows/dependency-updates.yml
+++ b/.github/workflows/dependency-updates.yml
@@ -73,7 +73,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Download dependency reports
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: dependency-reports/
 
diff --git a/.github/workflows/deploy-mainnet.yml b/.github/workflows/deploy-mainnet.yml
index 5d4ce8b..5b5408d 100644
--- a/.github/workflows/deploy-mainnet.yml
+++ b/.github/workflows/deploy-mainnet.yml
@@ -82,7 +82,7 @@ jobs:
         uses: ./.github/actions/setup-integration-test
 
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
@@ -160,7 +160,7 @@ jobs:
 
       # Download program artifacts
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
diff --git a/.github/workflows/deploy-testnet.yml b/.github/workflows/deploy-testnet.yml
index c374bbc..49e7edc 100644
--- a/.github/workflows/deploy-testnet.yml
+++ b/.github/workflows/deploy-testnet.yml
@@ -79,7 +79,7 @@ jobs:
         uses: ./.github/actions/setup-integration-test
 
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
@@ -125,7 +125,7 @@ jobs:
 
       # Download program artifacts
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
diff --git a/.github/workflows/frontend-deploy.yml b/.github/workflows/frontend-deploy.yml
index 8f97af5..ea0b1b2 100644
--- a/.github/workflows/frontend-deploy.yml
+++ b/.github/workflows/frontend-deploy.yml
@@ -96,7 +96,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: frontend-build
           path: frontend/.next/
diff --git a/.github/workflows/performance-test.yml b/.github/workflows/performance-test.yml
index 8242711..769d34e 100644
--- a/.github/workflows/performance-test.yml
+++ b/.github/workflows/performance-test.yml
@@ -72,7 +72,7 @@ jobs:
           solana_version: ${{ env.SOLANA_VERSION }}
 
       - name: Download program artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: program-artifacts
           path: target/deploy/
@@ -113,7 +113,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Download performance results
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: performance-results
           path: performance-report/
@@ -186,7 +186,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Download performance summary
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: performance-summary
           path: ./
diff --git a/.github/workflows/provision-infrastructure.yml b/.github/workflows/provision-infrastructure.yml
index ca728f8..f2d0103 100644
--- a/.github/workflows/provision-infrastructure.yml
+++ b/.github/workflows/provision-infrastructure.yml
@@ -122,7 +122,7 @@ jobs:
 
       - name: Download infrastructure report
         if: github.event.inputs.terraform_action == 'apply' && needs.provision.result == 'success'
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: infrastructure-report
           path: ./
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 41632a8..ee644e8 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -104,7 +104,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Download security artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: security-reports
           path: security-reports/