diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index fc9583fc50..48c647e80d 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -54,14 +54,12 @@ jobs:
         os: [ubuntu-24.04, macos-14, windows-2025]
         node-version: ['22']
         # Must include the minimum deno version from the `DENO_VERSION_RANGE` constant in `node/bridge.ts`.
-        # We're adding v2.4.2 here because it's needed for the upcoming nimble release, so we can test
-        # those workflows ahead of time before we can update the base version across the board.
-        deno-version: ['v1.39.0', 'v2.2.4', 'v2.4.2']
+        deno-version: ['v2.4.2']
         include:
           - os: ubuntu-24.04
             # Earliest supported version
             node-version: '18.14.0'
-            deno-version: 'v2.2.4'
+            deno-version: 'v2.4.2'
       fail-fast: false
     steps:
       # Sets an output parameter if this is a release PR
@@ -159,7 +157,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v1
         with:
-          deno-version: v2.2.4
+          deno-version: v2.4.2
         if: ${{ !steps.release-check.outputs.IS_RELEASE }}
       - name: Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
diff --git a/packages/build/tests/edge_functions/snapshots/tests.js.md b/packages/build/tests/edge_functions/snapshots/tests.js.md
index a57e5e46ea..dd91154bf1 100644
--- a/packages/build/tests/edge_functions/snapshots/tests.js.md
+++ b/packages/build/tests/edge_functions/snapshots/tests.js.md
@@ -1279,7 +1279,7 @@ Generated by [AVA](https://avajs.dev).
     ────────────────────────────────────────────────────────────────␊
     ␊
       Error message␊
-      Error: Command failed with exit code 1: "/external/path" bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts␊
+      Error: Command failed with exit code 1: deno bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts␊
     STACK TRACE␊
     ␊
         export async () => ␊
@@ -1292,9 +1292,9 @@ Generated by [AVA](https://avajs.dev).
     ␊
       Error properties␊
       {␊
-        shortMessage: 'Command failed with exit code 1: "/external/path" bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts',␊
-        command: '"/external/path" bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts',␊
-        escapedCommand: '"/external/path" bundle --import-map "BASE64_STRING" --quiet --code-splitting --allow-import --outdir "/external/path" "packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts"',␊
+        shortMessage: 'Command failed with exit code 1: deno bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts',␊
+        command: 'deno bundle --import-map BASE64_STRING --quiet --code-splitting --allow-import --outdir /external/path packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts',␊
+        escapedCommand: 'deno bundle --import-map "BASE64_STRING" --quiet --code-splitting --allow-import --outdir "/external/path" "packages/build/tests/edge_functions/fixtures/functions_invalid/netlify/edge-functions/functions-1.ts"',␊
         exitCode: 1,␊
         signal: undefined,␊
         signalDescription: undefined,␊
diff --git a/packages/build/tests/edge_functions/snapshots/tests.js.snap b/packages/build/tests/edge_functions/snapshots/tests.js.snap
index a725462cd1..0b79626884 100644
Binary files a/packages/build/tests/edge_functions/snapshots/tests.js.snap and b/packages/build/tests/edge_functions/snapshots/tests.js.snap differ
diff --git a/packages/build/tests/edge_functions/tests.js b/packages/build/tests/edge_functions/tests.js
index ec84916dc8..8736f11632 100644
--- a/packages/build/tests/edge_functions/tests.js
+++ b/packages/build/tests/edge_functions/tests.js
@@ -174,7 +174,7 @@ for (const variant of FLAG_VARIANTS) {
     t.snapshot(normalizeOutput(output))
   })
 
-  test(variant.id + ' - bundles Edge Functions via runCoreSteps function', async (t) => {
+  test.serial(variant.id + ' - bundles Edge Functions via runCoreSteps function', async (t) => {
     const output = await new Fixture('./fixtures/functions_user')
       .withFlags({ ...variant.flags, buildSteps: ['edge_functions_bundling'], useRunCoreSteps: true })
       .runWithBuild()
diff --git a/packages/edge-bundler/node/feature_flags.ts b/packages/edge-bundler/node/feature_flags.ts
index 3a35c11dac..0ac0ee16e0 100644
--- a/packages/edge-bundler/node/feature_flags.ts
+++ b/packages/edge-bundler/node/feature_flags.ts
@@ -1,7 +1,7 @@
 const defaultFlags = {
   edge_bundler_generate_tarball: false,
   edge_bundler_dry_run_generate_tarball: false,
-  edge_bundler_deno_v2: false,
+  edge_bundler_deno_v2: true,
 }
 
 type FeatureFlag = keyof typeof defaultFlags