diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 50db734..cd939f3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ env:
   spm-build-options: -Xswiftc -enable-testing --explicit-target-dependency-import-check error
   spm-test-options: --parallel
   swift-version: '6.2'
-  HYLO_LLVM_BUILD_RELEASE: 20251018-115119
+  HYLO_LLVM_BUILD_RELEASE: 20251207-115516
   HYLO_LLVM_VERSION: '20.1.6'
 
 jobs: