diff --git a/.github/workflows/deno-test.yml b/.github/workflows/deno-test.yml
index c3ad11fddc..e221ae870c 100644
--- a/.github/workflows/deno-test.yml
+++ b/.github/workflows/deno-test.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v1
         with:
-          deno-version: v2.2.4
+          deno-version: 2.5.6
 
       - name: 'Install dependencies'
         run: npm ci
diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index fa93bd0350..0f828a10bc 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -24,7 +24,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
       - name: Extract tag and version
         id: extract
         run: |-
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index b2bff7174d..7de8894fe3 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -32,7 +32,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
       - name: Build
         run: npm run build
         if: ${{ steps.release.outputs.release_created }}
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index eb74a94af3..bb9d9c66b4 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -93,7 +93,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
       - name: "Install dependencies"
         run: npm ci
       - name: "Prepare Netlify CLI"
@@ -188,7 +188,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/edge-bundler/blob/e55f825bd985d3c92e21d1b765d71e70d5628fba/node/bridge.ts#L17
-          deno-version: v2.2.4
+          deno-version: 2.5.6
       - name: "Install dependencies"
         run: npm ci
       - name: "Build"
@@ -268,7 +268,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
       - name: "Install dependencies"
         run: npm ci
       - name: "Build"
diff --git a/.github/workflows/size-check.yml b/.github/workflows/size-check.yml
index 48f0160083..dc059bf65d 100644
--- a/.github/workflows/size-check.yml
+++ b/.github/workflows/size-check.yml
@@ -25,7 +25,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
 
       - name: 'Install dependencies'
         run: npm ci
diff --git a/.github/workflows/test-e2e.yml b/.github/workflows/test-e2e.yml
index 2f277dc4b1..0fbabfc45b 100644
--- a/.github/workflows/test-e2e.yml
+++ b/.github/workflows/test-e2e.yml
@@ -191,7 +191,7 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           # Should match the `DENO_VERSION_RANGE` from https://github.com/netlify/build/blob/main/packages/edge-bundler/node/bridge.ts#L20
-          deno-version: v2.2.4
+          deno-version: 2.5.6
 
       - name: install runtime
         run: npm install --ignore-scripts