diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 157bac491..3a7d21d7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,6 +84,20 @@ jobs:
           - { target: x86_64-unknown-linux-gnu    , os: ubuntu-24.04                  }
           # - { target: x86_64-unknown-linux-musl   , os: ubuntu-20.04, use-cross: true }
     steps:
+    - name: Free Disk Space (Ubuntu)
+      if: runner.os == 'Linux'
+      # jlumbroso/free-disk-space@main is used in .github\workflows\flutter-build.yml
+      # But pinning to a specific version to avoid unexpected issues is preferred.
+      uses: jlumbroso/free-disk-space@v1.3.1
+      with:
+        tool-cache: false
+        android: true
+        dotnet: true
+        haskell: true
+        large-packages: false
+        docker-images: true
+        swap-storage: false
+
     - name: Export GitHub Actions cache environment variables
       uses: actions/github-script@v6
       with: