diff --git a/.github/workflows/clojure.yml b/.github/workflows/clojure.yml
index ea8d75e9..d6ec92f4 100644
--- a/.github/workflows/clojure.yml
+++ b/.github/workflows/clojure.yml
@@ -34,7 +34,10 @@ jobs:
         path: resources/portal
   test-clj:
     needs: [ setup, build ]
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - uses: ./.github/setup
@@ -47,7 +50,10 @@ jobs:
     - run: bb -m tasks.test/clj
   test-cljs:
     needs: [ setup, build ]
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - uses: ./.github/setup
@@ -60,7 +66,10 @@ jobs:
     - run: bb -m tasks.test/cljs
   test-cljr:
     needs: [ setup, build ]
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - uses: ./.github/setup