diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf4e441..7ca3906 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
     outputs:
       wheel-distribution: ${{ steps.wheel-distribution.outputs.path }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with: {fetch-depth: 0}  # deep clone for setuptools-scm
       - uses: actions/setup-python@v4
         id: setup-python
@@ -46,7 +46,7 @@ jobs:
       - name: Store the distribution files for use in other stages
         # `tests` and `publish` will use the same pre-built distributions,
         # so we make sure to release the exact same package that was tested
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: python-distribution-files
           path: dist/
@@ -68,13 +68,13 @@ jobs:
         # - windows-latest
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         id: setup-python
         with:
           python-version: ${{ matrix.python }}
       - name: Retrieve pre-built distribution files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with: {name: python-distribution-files, path: dist/}
       - name: Run tests
         run: >-
@@ -107,13 +107,13 @@ jobs:
         # - windows-latest
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         id: setup-python
         with:
           python-version: ${{ matrix.python }}
       - name: Retrieve pre-built distribution files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with: {name: python-distribution-files, path: dist/}
       - name: Run tests
         run: >-
@@ -136,13 +136,13 @@ jobs:
         # - windows-latest
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         id: setup-python
         with:
           python-version: ${{ matrix.python }}
       - name: Retrieve pre-built distribution files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with: {name: python-distribution-files, path: dist/}
       - name: Run tests
         run: >-
@@ -165,11 +165,11 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with: {python-version: "3.11"}
       - name: Retrieve pre-built distribution files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with: {name: python-distribution-files, path: dist/}
       - name: Publish Package
         uses: pypa/gh-action-pypi-publish@release/v1
@@ -185,11 +185,11 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with: {python-version: "3.11"}
       - name: Retrieve pre-built distribution files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with: {name: python-distribution-files, path: dist/}
       - name: Publish Package
         uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/examples/example_frbc_rm.py b/examples/example_frbc_rm.py
index 53b80df..774d936 100644
--- a/examples/example_frbc_rm.py
+++ b/examples/example_frbc_rm.py
@@ -30,7 +30,7 @@
 )
 from s2python.s2_connection import S2Connection, AssetDetails
 from s2python.s2_control_type import FRBCControlType, NoControlControlType
-from s2python.validate_values_mixin import S2Message
+from s2python.message import S2Message
 
 logger = logging.getLogger("s2python")
 logger.addHandler(logging.StreamHandler(sys.stdout))