diff --git a/.github/workflows/check_build.yml b/.github/workflows/check_build.yml
index aa239cc1..cdb1e755 100644
--- a/.github/workflows/check_build.yml
+++ b/.github/workflows/check_build.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         # Use these Java versions
         java: [
-          17,  # Minimum
+          21,  # Minimum
         ]
         os: [ubuntu-22.04]
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d00d34a5..7e0893a0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         # Use these Java versions
-        java: [17]
+        java: [21]
         # and run on both Linux and Windows
         os: [ubuntu-22.04]
     runs-on: ${{ matrix.os }}