diff --git a/.github/workflows/nightly_old_linux_arm64.yml b/.github/workflows/nightly_old_linux_arm64.yml
new file mode 100644
index 0000000000..eee4cf932b
--- /dev/null
+++ b/.github/workflows/nightly_old_linux_arm64.yml
@@ -0,0 +1,41 @@
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  '0 9 * * *'
+
+name: Nightly Release Old Linux arm64 using Earthly
+    
+jobs:
+  build:
+    name: build and package nightly release
+    runs-on: [self-hosted, Linux, ARM64]
+    timeout-minutes: 90
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: get commit SHA
+        run:  echo "SHA=$(git rev-parse --short "$GITHUB_SHA")" >> $GITHUB_ENV
+        
+      - name: get date
+        run: echo "DATE=$(date "+%Y-%m-%d")" >> $GITHUB_ENV
+        
+      - name: build file name
+        env:
+            DATE: ${{ env.DATE }}
+            SHA: ${{ env.SHA }}
+        run: echo "RELEASE_FOLDER_NAME=roc_nightly-old_linux_arm64-$DATE-$SHA" >> $GITHUB_ENV
+       
+      - name: install earthly
+        run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly && /usr/local/bin/earthly bootstrap --with-autocomplete'
+      
+      - run: earthly --version
+
+      - name: build release with earthly
+        run: earthly +build-nightly-release  --RELEASE_FOLDER_NAME=${{ env.RELEASE_FOLDER_NAME }} --RUSTFLAGS="-C target-cpu=x86-64"
+
+      - name: Upload roc nightly tar. Actually uploading to github releases has to be done manually.
+        uses: actions/upload-artifact@v3
+        with:
+           name: ${{ env.RELEASE_FOLDER_NAME }}.tar.gz
+           path: ${{ env.RELEASE_FOLDER_NAME }}.tar.gz
+           retention-days: 4
\ No newline at end of file
diff --git a/.github/workflows/nightly_linux_x86_64_earthly.yml b/.github/workflows/nightly_old_linux_x86_64.yml
similarity index 95%
rename from .github/workflows/nightly_linux_x86_64_earthly.yml
rename to .github/workflows/nightly_old_linux_x86_64.yml
index 2d055307e7..03440f73e2 100644
--- a/.github/workflows/nightly_linux_x86_64_earthly.yml
+++ b/.github/workflows/nightly_old_linux_x86_64.yml
@@ -31,7 +31,7 @@ jobs:
       - run: earthly --version
 
       - name: build release with earthly
-        run: earthly +build-nightly-release  --RELEASE_FOLDER_NAME=${{ env.RELEASE_FOLDER_NAME }}
+        run: earthly +build-nightly-release  --RELEASE_FOLDER_NAME=${{ env.RELEASE_FOLDER_NAME }} --RUSTFLAGS="-C target-cpu=x86-64"
 
       - name: Upload roc nightly tar. Actually uploading to github releases has to be done manually.
         uses: actions/upload-artifact@v3
diff --git a/Earthfile b/Earthfile
index e69c3364e7..30b0621280 100644
--- a/Earthfile
+++ b/Earthfile
@@ -44,11 +44,12 @@ copy-dirs:
 
 build-nightly-release:
     ARG RELEASE_FOLDER_NAME
+    ARG RUSTFLAGS
     FROM +copy-dirs
     COPY --dir .git LICENSE LEGAL_DETAILS ci ./
     # version.txt is used by the CLI: roc --version
     RUN ./ci/write_version.sh
-    RUN RUSTFLAGS="-C target-cpu=x86-64" cargo build --profile=release-with-lto --locked --bin roc
+    RUN RUSTFLAGS=$RUSTFLAGS cargo build --profile=release-with-lto --locked --bin roc
     # strip debug info
     RUN strip ./target/release-with-lto/roc
     RUN ./ci/package_release.sh $RELEASE_FOLDER_NAME