diff --git a/.github/workflows/manifold.yml b/.github/workflows/manifold.yml
index 575e27941..a4b44ab65 100644
--- a/.github/workflows/manifold.yml
+++ b/.github/workflows/manifold.yml
@@ -280,7 +280,7 @@ jobs:
strategy:
matrix:
parallel_backend: [NONE, TBB]
- runs-on: macos-latest
+ runs-on: macos-12
if: github.event.pull_request.draft == false
steps:
- name: Install common dependencies
diff --git a/bindings/java/pom.xml b/bindings/java/pom.xml
index 9810b09d7..db9b9009f 100644
--- a/bindings/java/pom.xml
+++ b/bindings/java/pom.xml
@@ -8,8 +8,8 @@
UTF-8
- 11
- 11
+ 17
+ 17