diff --git a/actions/actions.sh b/actions/actions.sh
index ceb8c04c..5ddffd1f 100755
--- a/actions/actions.sh
+++ b/actions/actions.sh
@@ -176,5 +176,9 @@ function test_actions() {
         if dpkg --compare-versions $version ge 9.0; then
             run actions_verify_example schedule-noncancel
         fi
+
+        if dpkg --compare-versions $version ge 14.0; then
+            run actions_verify_example matrix-dynamic
+        fi
     done
 }
diff --git a/actions/example-matrix-dynamic/.forgejo/workflows/test.yml b/actions/example-matrix-dynamic/.forgejo/workflows/test.yml
new file mode 100644
index 00000000..170a009b
--- /dev/null
+++ b/actions/example-matrix-dynamic/.forgejo/workflows/test.yml
@@ -0,0 +1,49 @@
+on: [push]
+jobs:
+  define-matrix:
+    runs-on: docker
+    outputs:
+      scalar-value: ${{ steps.define.outputs.scalar }}
+      array-value: ${{ steps.define.outputs.array }}
+      matrix-value: ${{ steps.define.outputs.matrix }}
+    steps:
+      - id: define
+        run: |
+          echo 'scalar=scalar value' >> "$FORGEJO_OUTPUT"
+          echo 'array=["value 1", "value 2"]' >> "$FORGEJO_OUTPUT"
+          echo 'matrix={"dimension-1": ["d1 v1", "d1 v2"], "dimension-2": ["d2 v1", "d2 v2"]}' >> "$GITHUB_OUTPUT"
+
+  scalar-job:
+    runs-on: docker
+    needs: define-matrix
+    strategy:
+      matrix:
+        scalar:
+          - "${{ needs.define-matrix.outputs.scalar-value }}"
+          - hard-coded value
+    steps:
+      - run: |
+          set -x
+          [ "${{ matrix.scalar }}" = "scalar value" ] || [ "${{ matrix.scalar }}" = "hard-coded value" ] || exit 1
+
+  array-job:
+    runs-on: docker
+    needs: define-matrix
+    strategy:
+      matrix:
+        array: ${{ fromJSON(needs.define-matrix.outputs.array-value) }}
+    steps:
+      - run: |
+          set -x
+          [ "${{ matrix.array }}" = "value 1" ] || [ "${{ matrix.array }}" = "value 2" ] || exit 1
+
+  matrix-job:
+    runs-on: docker
+    needs: define-matrix
+    strategy:
+      matrix: ${{ fromJSON(needs.define-matrix.outputs.matrix-value) }}
+    steps:
+      - run: |
+          set -x
+          [ "${{ matrix.dimension-1 }}" = "d1 v1" ] || [ "${{ matrix.dimension-1 }}" = "d1 v2" ] || exit 1
+          [ "${{ matrix.dimension-2 }}" = "d2 v1" ] || [ "${{ matrix.dimension-2 }}" = "d2 v2" ] || exit 1
diff --git a/actions/example-matrix-dynamic/run.sh b/actions/example-matrix-dynamic/run.sh
new file mode 100644
index 00000000..18b8fc05
--- /dev/null
+++ b/actions/example-matrix-dynamic/run.sh
@@ -0,0 +1,10 @@
+forgejo-test-helper.sh run_workflow actions/example-$example $url root example-$example setup-forgejo $token
+
+# Verify that the matrix in the job was expanded correctly by checking that
+# there are 9 completed jobs, by their commit statuses being present on the
+# main branch's HEAD.
+api=$url/api/v1
+sha=$(forgejo-curl.sh api_json $api/repos/root/example-matrix-dynamic/branches/main | jq -r ".commit.id")
+num_runs=$(forgejo-curl.sh api_json $api/repos/root/example-matrix-dynamic/commits/$sha/status | jq ".total_count")
+echo "Expecting 9 commit statuses, found $num_runs commit statuses"
+test $num_runs = 9