diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index f58b0a3..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-version: 2.1
-
-jobs:
-  test:
-    parameters:
-      docker-image:
-        type: string
-      clj-version:
-        type: string
-        default: "1.11"
-    working_directory: ~/project
-    docker:
-      - image: << parameters.docker-image >>
-    steps:
-      - checkout
-      - restore_cache:
-          key: project-{{ checksum "deps.edn" }}
-      - run: clojure -T:build test :clj '"<< parameters.clj-version >>"'
-      - save_cache:
-          paths:
-            - ~/.m2
-          key: project-{{ checksum "deps.edn" }}
-
-workflows:
-  test_all_jdks:
-    jobs:
-      - test:
-          matrix:
-            parameters:
-              docker-image:
-                - clojure:temurin-8-jammy
-                - clojure:temurin-11-jammy
-                - clojure:temurin-17-jammy
-                - clojure:temurin-21-jammy
-              clj-version: ["1.10", "1.11", "1.12"]
diff --git a/.github/workflows/test-all-jdks.yaml b/.github/workflows/test-all-jdks.yaml
new file mode 100644
index 0000000..c0d9420
--- /dev/null
+++ b/.github/workflows/test-all-jdks.yaml
@@ -0,0 +1,34 @@
+name: "Test All JDKs"
+on:
+  pull_request:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        docker-image:
+          - clojure:temurin-8-jammy
+          - clojure:temurin-11-jammy
+          - clojure:temurin-17-jammy
+          - clojure:temurin-21-jammy
+        clj-version: ["1.10", "1.11", "1.12"]
+    container: ${{ matrix.docker-image }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Restore Cache
+        uses: actions/cache/restore@v4
+        with:
+          path: /root/.m2 # Explicit path inside the container to overcome GitHub Actions bug https://github.com/actions/runner/issues/1876
+          key: ${{ matrix.docker-image }}-${{ matrix.clj-version }}-${{ hashFiles('deps.edn') }}
+
+      - name: Run Test
+        run: clojure -T:build test :clj '"${{ matrix.clj-version }}"'
+
+      - name: Save Cache
+        uses: actions/cache/save@v4
+        with:
+          path: /root/.m2
+          key: ${{ matrix.docker-image }}-${{ matrix.clj-version }}-${{ hashFiles('deps.edn') }}
diff --git a/build.clj b/build.clj
index e847bd1..f9ef95b 100644
--- a/build.clj
+++ b/build.clj
@@ -31,7 +31,7 @@
 (defn test "Run all the tests." [opts]
   (bb/clean opts)
   (bb/run-tests (cond-> (assoc opts :aliases [:ssm])
-                  (:clj opts) (update :aliases into (:clj opts))))
+                  (:clj opts) (update :aliases conj (:clj opts))))
   opts)
 
 (defn- build-jar [opts extra-aliases include-str]