diff --git a/.github/workflows/compatibility-matrix.yml b/.github/workflows/compatibility-matrix.yml
index da4d596a..15fe8cdf 100644
--- a/.github/workflows/compatibility-matrix.yml
+++ b/.github/workflows/compatibility-matrix.yml
@@ -27,6 +27,9 @@ jobs:
         with:
           ref: ${{ github.head_ref || github.ref_name }}
           allow_branch_fallback: "true"
+      - name: Init hawk-mcpkit submodule
+        run: |
+          git submodule update --init external/hawk-mcpkit
       - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: "1.26.5"