diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6cecf55..af57de1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
         go-version: [1.13.x, 1.14.x]
     runs-on: ubuntu-latest
     env:
-      ONIGURUMA_VERSION: 6.9.1
+      ONIGURUMA_VERSION: 6.9.4
     steps:
     - name: Install libonig5
       run: |
@@ -25,4 +25,4 @@ jobs:
       uses: actions/checkout@v2
 
     - name: Test
-      run: go test -v ./...
\ No newline at end of file
+      run: go test -v ./...