diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a67795..eb0a195 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [2.13.6, 2.12.14]
-        java: [adopt@1.16.0-1]
+        java: [adopt@1.15.0-2]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -71,7 +71,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [2.13.6]
-        java: [adopt@1.16.0-1]
+        java: [adopt@1.15.0-2]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)