diff --git a/.github/workflows/frontend-admin-tests.yml b/.github/workflows/frontend-admin-tests.yml
index 5e43b7991..fc6dfb6b6 100644
--- a/.github/workflows/frontend-admin-tests.yml
+++ b/.github/workflows/frontend-admin-tests.yml
@@ -55,7 +55,7 @@ jobs:
         # We intentionally install an old ep_align version to test upgrades to
         # the minor version number. The --legacy-peer-deps flag is required to
         # work around a bug in npm v7: https://github.com/npm/cli/issues/2199
-        run: pnpm install ep_align@0.2.27
+        run: pnpm install --workspace root ep_align@0.2.27
       # Etherpad core dependencies must be installed after installing the
       # plugin's dependencies, otherwise npm will try to hoist common
       # dependencies by removing them from src/node_modules and installing them
diff --git a/.github/workflows/frontend-tests.yml b/.github/workflows/frontend-tests.yml
index fcf3d6532..e7af08b13 100644
--- a/.github/workflows/frontend-tests.yml
+++ b/.github/workflows/frontend-tests.yml
@@ -116,7 +116,7 @@ jobs:
         # The --legacy-peer-deps flag is required to work around a bug in npm v7:
         # https://github.com/npm/cli/issues/2199
         run: >
-          pnpm install
+          pnpm install --workspace root
           ep_align
           ep_author_hover
           ep_cursortrace
diff --git a/.github/workflows/upgrade-from-latest-release.yml b/.github/workflows/upgrade-from-latest-release.yml
index b4355e9d9..fc1c171f6 100644
--- a/.github/workflows/upgrade-from-latest-release.yml
+++ b/.github/workflows/upgrade-from-latest-release.yml
@@ -52,7 +52,7 @@ jobs:
         # The --legacy-peer-deps flag is required to work around a bug in npm
         # v7: https://github.com/npm/cli/issues/2199
         run: >
-          pnpm install
+          pnpm install --workspace root
           ep_align
           ep_author_hover
           ep_cursortrace