diff --git a/.github/workflows/node-4+.yml b/.github/workflows/node-4+.yml
index 38d4da8..ba17161 100644
--- a/.github/workflows/node-4+.yml
+++ b/.github/workflows/node-4+.yml
@@ -77,6 +77,8 @@ jobs:
         name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
       - run: make init
       - run: 'cd test_files; make all; cd -'
       - run: npm run tests-only
diff --git a/.github/workflows/node-iojs.yml b/.github/workflows/node-iojs.yml
index f85c166..27d8d39 100644
--- a/.github/workflows/node-iojs.yml
+++ b/.github/workflows/node-iojs.yml
@@ -30,6 +30,8 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
           skip-ls-check: true
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
       - run: make init
       - run: 'cd test_files; make all; cd -'
       - run: npm run tests-only
diff --git a/.github/workflows/node-pretest.yml b/.github/workflows/node-pretest.yml
index cc9ef8a..76c3d9e 100644
--- a/.github/workflows/node-pretest.yml
+++ b/.github/workflows/node-pretest.yml
@@ -12,6 +12,8 @@ jobs:
         name: 'nvm install lts/* && npm install'
         with:
           node-version: 'lts/*'
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
       - run: make init
       - run: 'cd test_files; make all; cd -'
       - run: npm run pretest
diff --git a/.github/workflows/node-zero.yml b/.github/workflows/node-zero.yml
index 67e7a26..4408942 100644
--- a/.github/workflows/node-zero.yml
+++ b/.github/workflows/node-zero.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       stable: ${{ steps.set-matrix.outputs.requireds }}
-      unstable: ${{ steps.set-matrix.outputs.optionals }}
+#      unstable: ${{ steps.set-matrix.outputs.optionals }}
     steps:
       - uses: ljharb/actions/node/matrix@main
         id: set-matrix
@@ -46,37 +46,42 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
           skip-ls-check: true
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
       - run: make init
       - run: 'cd test_files; make all; cd -'
       - run: npm run tests-only
 
-  unstable:
-    needs: [matrix, stable]
-    name: 'unstable minors'
-    continue-on-error: true
-    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
-    runs-on: ubuntu-latest
+#  unstable:
+#    needs: [matrix, stable]
+#    name: 'unstable minors'
+#    continue-on-error: true
+#    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+#    runs-on: ubuntu-latest
 
-    strategy:
-      fail-fast: false
-      matrix:
-        node-version: ${{ fromJson(needs.matrix.outputs.unstable) }}
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/install@main
-        name: 'nvm install ${{ matrix.node-version }} && npm install'
-        with:
-          node-version: ${{ matrix.node-version }}
-          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
-          skip-ls-check: true
-      - run: make init
-      - run: 'cd test_files; make all; cd -'
-      - run: npm run tests-only
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        node-version: ${{ fromJson(needs.matrix.outputs.unstable) }}
+#
+#    steps:
+#      - uses: actions/checkout@v2
+#      - uses: ljharb/actions/node/install@main
+#        name: 'nvm install ${{ matrix.node-version }} && npm install'
+#        with:
+#          node-version: ${{ matrix.node-version }}
+#          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
+#          skip-ls-check: true
+#      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+#      - run: sudo chmod a+x /usr/bin/rooster
+#      - run: make init
+#      - run: 'cd test_files; make all; cd -'
+#      - run: npm run tests-only
 
   node:
     name: 'node 0.x'
-    needs: [stable, unstable]
+#    needs: [stable, unstable]
+    needs: [stable]
     runs-on: ubuntu-latest
     steps:
       - run: 'echo tests completed'