diff --git a/.github/workflows/build-maven.yml b/.github/workflows/build-maven.yml
index fd1129e..0da4ffc 100644
--- a/.github/workflows/build-maven.yml
+++ b/.github/workflows/build-maven.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ 8, 11, 14 ]
+        java: [ 8, 11, 15 ]
     steps:
       - uses: kamiazya/setup-graphviz@v1
       - uses: actions/checkout@v2
diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
index f3d4750..b45d034 100644
--- a/.github/workflows/draft-release.yml
+++ b/.github/workflows/draft-release.yml
@@ -9,6 +9,6 @@ jobs:
   update_draft_release:
     runs-on: ubuntu-latest
     steps:
-      - uses: release-drafter/release-drafter@v5.11.0
+      - uses: release-drafter/release-drafter@v5.14.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}