diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed24957ad2a..f6d77514d5a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,6 +38,10 @@ jobs:
       - name: Install nox
         run: python -m pip install --upgrade pip && pip install nox
 
+      - if: inputs.python-version == '24.1'
+        name: Install GraalPy virtualenv (only GraalPy 24.1)
+        run: python -m pip install pip install 'git+https://github.com/oracle/graalpython#egg=graalpy_virtualenv_seeder&subdirectory=graalpy_virtualenv_seeder'
+
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@master
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 14531d17144..1fde1b89054 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -245,6 +245,7 @@ jobs:
             "pypy3.9",
             "pypy3.10",
             "graalpy24.0",
+            "graalpy24.1",
           ]
         platform:
           [