diff --git a/.github/workflows/test-package-stylelint-less-d99.latest.yml b/.github/workflows/test-package-stylelint-less-d99.latest.yml
index 89c23fc..18ae684 100644
--- a/.github/workflows/test-package-stylelint-less-d99.latest.yml
+++ b/.github/workflows/test-package-stylelint-less-d99.latest.yml
@@ -26,6 +26,6 @@ jobs:
       set-overrides-command: npm pkg set pnpm.overrides.stylelint
       stylelint-version-override: latest
       install-command: pnpm install --no-frozen-lockfile
-      list-installed-versions-command: pnpm list --long --json stylelint
+      list-installed-versions-command: pnpm list --long stylelint
       build-command: pnpm -r build
       test-command: pnpm -r test
diff --git a/.github/workflows/test-package-stylelint-less-d99.next.yml b/.github/workflows/test-package-stylelint-less-d99.next.yml
index da8a101..51299da 100644
--- a/.github/workflows/test-package-stylelint-less-d99.next.yml
+++ b/.github/workflows/test-package-stylelint-less-d99.next.yml
@@ -26,6 +26,6 @@ jobs:
       set-overrides-command: npm pkg set pnpm.overrides.stylelint
       stylelint-version-override: github:stylelint/stylelint
       install-command: pnpm install --no-frozen-lockfile
-      list-installed-versions-command: pnpm list --long --json stylelint
+      list-installed-versions-command: pnpm list --long stylelint
       build-command: pnpm -r build
       test-command: pnpm -r test
diff --git a/data/ecosystem.yml b/data/ecosystem.yml
index 623d200..c8844b1 100644
--- a/data/ecosystem.yml
+++ b/data/ecosystem.yml
@@ -44,7 +44,7 @@ packages:
       {
         set-overrides-command: 'npm pkg set pnpm.overrides.stylelint',
         install-command: 'pnpm install --no-frozen-lockfile',
-        list-installed-versions-command: 'pnpm list --long --json stylelint',
+        list-installed-versions-command: 'pnpm list --long stylelint',
         build-command: 'pnpm -r build',
         test-command: 'pnpm -r test',
       },