diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 428551ed..d61ed4bb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Format
         run: crystal tool format --check
       - name: Lint
-        run: ./bin/ameba
+        run: bin/ameba
 
   test:
     name: Test
@@ -33,9 +33,9 @@ jobs:
         crystal: # Latest version plus 2 previous.
           - latest
           - nightly
-          - 1.10
-          - 1.11
-          - 1.12
+          - "1.10"
+          - "1.11"
+          - "1.12"
         os:
           - ubuntu-latest
           - macos-latest