diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index 48ef4e1..abd8ea4 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -87,7 +87,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 17, 20 ]
+        java-version: [ 17, 20, 21, 22 ]
 
     steps:
       - name: Checkout source repository
@@ -116,7 +116,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 17, 20 ]
+        java-version: [ 17, 20, 21, 22 ]
 
     steps:
       - name: Checkout source repository
@@ -142,7 +142,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 17, 20 ]
+        java-version: [ 17, 20, 21, 22 ]
 
     steps:
       - name: Configure git line endings
diff --git a/core b/core
index e4596b4..12ac2ed 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit e4596b4dc89b27a61d11e2f5b99fdb922fdbc8a3
+Subproject commit 12ac2edaac08274502abc96ff573e78ec2234190