diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 9180d6f2..a8b2e33b 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -6,8 +6,13 @@ on:
   pull_request:
     branches: [ "master" ]
 
+
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   PYTHON_VERSION: "3.10"
   BART_VERSION: "0.8.00"
diff --git a/.github/workflows/test-ci.yml b/.github/workflows/test-ci.yml
index 72b708a4..6a29d204 100644
--- a/.github/workflows/test-ci.yml
+++ b/.github/workflows/test-ci.yml
@@ -6,8 +6,13 @@ on:
   pull_request:
     branches: [ "master" ]
 
+
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   PYTHON_VERSION: "3.10"
   BART_VERSION: "0.8.00"
@@ -166,6 +171,13 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
           cache: pip
 
+      - name: Restore cached brainweb-dl directory
+        uses: actions/cache/restore@v4
+        id: cache-restore
+        with:
+          path: ~/.cache/brainweb
+          key: ${{ runner.os }}-Brainweb
+
       - name: Install Python deps
         shell: bash
         run: |
@@ -179,6 +191,13 @@ jobs:
           export COVERAGE_FILE=coverage_plots
           pytest examples tests -k="not operators" --cov --cov-branch --cov-report=term
 
+      - name: Cache brainweb-dl directory
+        uses: actions/cache/save@v4
+        if: ${{ steps.cache-restore.outputs.cache-hit != 'true' }}
+        with:
+          path: ~/.cache/brainweb
+          key: ${{ runner.os }}-Brainweb
+
       - name: Upload coverage
         if: success()
         uses: actions/upload-artifact@v3