diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f007f0..a5e58b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [8, 11, 17]
+        java: [8, 11, 17, 21]
         scala: [2.11.x, 2.12.x, 2.13.x, 3.x]
     runs-on: ubuntu-latest
     steps:
diff --git a/project/build.properties b/project/build.properties
index 6a9f038..db1723b 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.7.3
+sbt.version=1.10.5