diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 069cc6e7..86c7e666 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -409,12 +409,12 @@ jobs:
           cache: true
           
       - name: Download CLI artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ftl-linux-amd64
           
       - name: Download WASM components
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: wasm-components
           path: components/
diff --git a/.github/workflows/release-cli-binaries.yml b/.github/workflows/release-cli-binaries.yml
index 0c645f8f..90cbc04b 100644
--- a/.github/workflows/release-cli-binaries.yml
+++ b/.github/workflows/release-cli-binaries.yml
@@ -133,7 +133,7 @@ jobs:
           ref: ${{ inputs.tag }}
 
       - name: Download all artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: artifacts
 
@@ -245,7 +245,7 @@ jobs:
           ref: ${{ inputs.tag }}
 
       - name: Download Linux binaries
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: ftl-linux-*
           path: artifacts
diff --git a/.github/workflows/release-components.yml b/.github/workflows/release-components.yml
index dd1fc41a..8f1946e9 100644
--- a/.github/workflows/release-components.yml
+++ b/.github/workflows/release-components.yml
@@ -163,7 +163,7 @@ jobs:
       - uses: actions/checkout@v4
       
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: artifacts
       
diff --git a/.github/workflows/release-go-cli.yml b/.github/workflows/release-go-cli.yml
index 1ca6c53f..c8393915 100644
--- a/.github/workflows/release-go-cli.yml
+++ b/.github/workflows/release-go-cli.yml
@@ -131,7 +131,7 @@ jobs:
       - uses: actions/checkout@v4
       
       - name: Download all artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: artifacts
       
diff --git a/.github/workflows/release-python-package.yml b/.github/workflows/release-python-package.yml
index b29d10a7..97bace51 100644
--- a/.github/workflows/release-python-package.yml
+++ b/.github/workflows/release-python-package.yml
@@ -202,7 +202,7 @@ jobs:
       id-token: write
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: python-dist
           path: dist/
diff --git a/.github/workflows/release-sdk-python.yml b/.github/workflows/release-sdk-python.yml
index 712ff938..7b44c24a 100644
--- a/.github/workflows/release-sdk-python.yml
+++ b/.github/workflows/release-sdk-python.yml
@@ -147,7 +147,7 @@ jobs:
     
     steps:
     - name: Download distribution packages
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: python-package-distributions
         path: dist/
diff --git a/.github/workflows/release-wasm-component.yml b/.github/workflows/release-wasm-component.yml
index 0e165a5d..7f03824b 100644
--- a/.github/workflows/release-wasm-component.yml
+++ b/.github/workflows/release-wasm-component.yml
@@ -253,7 +253,7 @@ jobs:
           ref: ${{ inputs.tag }}
 
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: wasm-component-${{ inputs.component }}
           path: artifacts/
@@ -341,7 +341,7 @@ jobs:
           ref: ${{ inputs.tag }}
 
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: wasm-component-${{ inputs.component }}
           path: artifacts/
@@ -386,7 +386,7 @@ jobs:
           ref: ${{ inputs.tag }}
 
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: wasm-component-${{ inputs.component }}
           path: release/