diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3453a5b50f..84f9ce822e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,16 +42,11 @@ jobs:
     continue-on-error: true
     container: 84codes/crystal:latest-ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
-      - name: Checkout ameba
+      - name: Checkout
         uses: actions/checkout@v4
-        with:
-          repository: crystal-ameba/ameba
-          path: ameba
-      - name: Build ameba
-        run: make -C ameba
+      - run: shards install
       - name: Run ameba
-        run: ameba/bin/ameba src spec
+        run: bin/ameba src spec
 
   lint-js:
     name: Lint javascript
diff --git a/shard.lock b/shard.lock
index 1f6944db97..182e0db6a9 100644
--- a/shard.lock
+++ b/shard.lock
@@ -2,7 +2,7 @@ version: 2.0
 shards:
   ameba:
     git: https://github.com/crystal-ameba/ameba.git
-    version: 1.6.3
+    version: 1.6.4
 
   amq-protocol:
     git: https://github.com/cloudamqp/amq-protocol.cr.git