diff --git a/.github/workflows/checkpoints.yml b/.github/workflows/checkpoints.yml
index b0508ea5963..43cc2155ca0 100644
--- a/.github/workflows/checkpoints.yml
+++ b/.github/workflows/checkpoints.yml
@@ -7,45 +7,52 @@ on:
     - cron: "*/10 * * * *" # for test
 
 jobs:
-  build-ubuntu:
-    name: Build Ubuntu
-    runs-on: buildjet-8vcpu-ubuntu-2204
-    steps:
-      # To help investigate transient test failures
-      - run: lscpu
-      # find the nearest S3 space for storing cache files
-      - name: Show IP
-        run: curl ifconfig.me
-        continue-on-error: true
-      - name: Checkout Sources
-        uses: actions/checkout@v3
-      - name: Install Apt Dependencies
-        run: |
-          sudo make install-deps
-      - name: Cargo Install
-        run: make install
-      - uses: actions/upload-artifact@v3
-        with:
-          name: forest-${{ runner.os }}
-          path: |
-            ~/.cargo/bin/forest*
-          if-no-files-found: error
+  # build-ubuntu:
+  #   name: Build Ubuntu
+  #   runs-on: buildjet-8vcpu-ubuntu-2204
+  #   steps:
+  #     # To help investigate transient test failures
+  #     - run: lscpu
+  #     - run: df -h
+  #     # find the nearest S3 space for storing cache files
+  #     - name: Show IP
+  #       run: curl ifconfig.me
+  #       continue-on-error: true
+  #     - name: Checkout Sources
+  #       uses: actions/checkout@v3
+  #     - name: Install Apt Dependencies
+  #       run: |
+  #         sudo make install-deps
+  #     - name: Cargo Install
+  #       run: make install
+  #     - uses: actions/upload-artifact@v3
+  #       with:
+  #         name: forest-${{ runner.os }}
+  #         path: |
+  #           ~/.cargo/bin/forest*
+  #         if-no-files-found: error
+  #     - run: df -h
   update_checkpoints:
     needs:
       - build-ubuntu
-    runs-on: buildjet-8vcpu-ubuntu-2204
-    steps:
-      - name: Checkout Sources
-        uses: actions/checkout@v3
-      - uses: actions/download-artifact@v3
-        with:
-          name: forest-${{ runner.os }}
-          path: ~/.cargo/bin
-      # Permissions are lost during artifact-upload
-      # https://github.com/actions/upload-artifact#permission-loss
-      - name: Set permissions
-        run: |
-          chmod +x ~/.cargo/bin/forest*
+      runs-on: buildjet-8vcpu-ubuntu-2204
+      steps:
+      - name: disk space
+        run: df -h
+      - name: download forest-cli binary
+        run: curl -LJO https://github.com/ChainSafe/forest/releases/download/v0.12.1/forest-v0.12.1-linux-amd64.zip && unzip forest-v0.12.1-linux-amd64.zip && cp forest-v0.12.1/forest-cli .
+
+      # - name: Checkout Sources
+      #   uses: actions/checkout@v3
+      # - uses: actions/download-artifact@v3
+      #   with:
+      #     name: forest-${{ runner.os }}
+      #     path: ~/.cargo/bin
+      # # Permissions are lost during artifact-upload
+      # # https://github.com/actions/upload-artifact#permission-loss
+      # - name: Set permissions
+      #   run: |
+      #     chmod +x ~/.cargo/bin/forest*
       - name: mark generate_checkpoints as executable
         run: chmod +x scripts/generate_checkpoints.sh
       - name: update checkpoints
diff --git a/scripts/generate_checkpoints.sh b/scripts/generate_checkpoints.sh
index dd254705b94..1be84caa580 100755
--- a/scripts/generate_checkpoints.sh
+++ b/scripts/generate_checkpoints.sh
@@ -13,17 +13,23 @@ echo "
 # This file was generated with \\\`forest-cli archive checkpoints\\\`
 # " > build/known_blocks.yaml
 
+pwd
+
 echo "Disk space"
 df -h
 
-# import calibnet snapshot
-forest-cli --chain calibnet snapshot fetch
-# populate checkpoints for calibnet
-forest-cli archive checkpoints "$(find . -name "forest_snapshot_calibnet*.forest.car.zst")" >> build/known_blocks.yaml
+# # import calibnet snapshot
+# forest-cli --chain calibnet snapshot fetch
+# # populate checkpoints for calibnet
+# forest-cli archive checkpoints "$(find . -name "forest_snapshot_calibnet*.forest.car.zst")" >> build/known_blocks.yaml
+
+# rm "$(find . -name "forest_snapshot_calibnet*.forest.car.zst")"
 
-rm "$(find . -name "forest_snapshot_calibnet*.forest.car.zst")"
+# cat build/known_blocks.yaml
 
 # import mainnet snapshot
 forest-cli --chain mainnet snapshot fetch
 # populate checkpoints for mainnet
 forest-cli archive checkpoints "$(find . -name "forest_snapshot_mainnet*.forest.car.zst")" >> build/known_blocks.yaml
+
+cat build/known_blocks.yaml