diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e48b274..e0638bf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
       - name: "Linting Starlark"
         run: bazel run @buildifier_prebuilt//:buildifier -- -mode check -lint warn -r .
 
-  build:
+  build-bzlmod:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout the sources"
@@ -34,8 +34,24 @@ jobs:
       - name: "Configure Bazel"
         run: cp .github/workflows/ci.bazelrc .
       - name: "Build"
-        run: bazel build //...
+        run: bazel build //... --enable_bzlmod=True
       - name: "Unit tests"
-        run: bazel test //...
+        run: bazel test //... --enable_bzlmod=True
       - name: "Integration tests"
         run: bash tests/integration/suite.sh
+  build-workspace:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout the sources"
+        uses: actions/checkout@v3.6.0
+      - name: "Install JDK 11"
+        uses: actions/setup-java@v3
+        with:
+          distribution: "zulu"
+          java-version: "11"
+      - name: "Setup Bazelisk"
+        uses: bazelbuild/setup-bazelisk@v2
+      - name: "Configure Bazel"
+        run: cp .github/workflows/ci.bazelrc .
+      - name: "Build"
+        run: bazel build //... --enable_bzlmod=False
diff --git a/WORKSPACE b/WORKSPACE
index a34336f..411fd85 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -22,7 +22,7 @@ rules_pmd_toolchains()
 
 skylib_version = "1.4.1"
 
-skylib_sha = "66ffd9315665bfaafc96b52278f57c7e2dd09f5ede279ea6d39b2be471e7e3aa"
+skylib_sha = "b8a1527901774180afc798aeb28c4634bdccf19c4d98e7bdd1ce79d1fe9aaad7"
 
 http_archive(
     name = "bazel_skylib",
diff --git a/pmd/dependencies.bzl b/pmd/dependencies.bzl
index af38a12..dd86242 100644
--- a/pmd/dependencies.bzl
+++ b/pmd/dependencies.bzl
@@ -7,6 +7,8 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file"
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
 load(":versions.bzl", _DEFAULT_PMD_VERSION = "DEFAULT_PMD_RELEASE")
 
+_PMD_BUILD_FILE_TEMPLATE = Label("//pmd:BUILD.pmd.bazel")
+
 def rules_pmd_dependencies(pmd_release = _DEFAULT_PMD_VERSION):
     """Fetches `rules_pmd` dependencies.
 
@@ -41,5 +43,5 @@ def _rules_pmd_bzlmod_dependencies(pmd_release):
         url = "https://github.com/pmd/pmd/releases/download/pmd_releases/{v}/pmd-bin-{v}.zip".format(v = pmd_release.version),
         strip_prefix = "pmd-bin-{v}/lib".format(v = pmd_release.version),
         sha256 = pmd_release.sha256,
-        build_file = "//pmd:BUILD.pmd.bazel",
+        build_file = _PMD_BUILD_FILE_TEMPLATE,
     )