diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index eabdddf5..5d80cae6 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -1,3 +1,5 @@
+name: Package CI
+
 on:
   workflow_call:
     inputs:
@@ -21,8 +23,8 @@ jobs:
           node-version-file: .nvmrc
           cache: yarn
 
-      - name: ${{ inputs.name }} build
-        run: yarn workspace @morpho-org/${{ inputs.name }} build
+      - run: yarn install --immutable
+      - run: yarn workspace @morpho-org/${{ inputs.name }} build
 
   jest:
     runs-on: ubuntu-latest
@@ -36,6 +38,7 @@ jobs:
           node-version-file: .nvmrc
           cache: yarn
 
+      - run: yarn install --immutable
       - run: yarn workspace @morpho-org/${{ inputs.name }} jest --passWithNoTests
 
   hardhat:
@@ -55,6 +58,7 @@ jobs:
           path: packages/${{ inputs.name }}/cache
           key: hardhat-${{ inputs.name }}-${{ github.ref_name }}
 
+      - run: yarn install --immutable
       - run: yarn workspace @morpho-org/${{ inputs.name }} hardhat test --bail
         env:
           MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 91a906f2..f3635de4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,11 +7,11 @@ on:
   pull_request:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
   cancel-in-progress: true
 
 jobs:
-  jest:
+  packages:
     strategy:
       fail-fast: false
       matrix:
@@ -32,3 +32,4 @@ jobs:
       name: ${{ matrix.package.name }}
       jest: ${{ matrix.package.jest }}
       hardhat: ${{ matrix.package.hardhat }}
+    secrets: inherit