diff --git a/.github/workflows/llm_unit_tests.yml b/.github/workflows/llm_unit_tests.yml
index 699cdadb..21bbe829 100644
--- a/.github/workflows/llm_unit_tests.yml
+++ b/.github/workflows/llm_unit_tests.yml
@@ -47,19 +47,19 @@ jobs:
             instruction: avx2
             python-version: "3.9"
           - os: ubuntu-20.04-lts
-            instruction: avx2
+            instruction: avx512
             python-version: "3.9"
           - os: windows
             instruction: avx2
             python-version: "3.10"
           - os: ubuntu-20.04-lts
-            instruction: avx2
+            instruction: avx512
             python-version: "3.10"
           - os: windows
             instruction: avx2
             python-version: "3.11"
           - os: ubuntu-20.04-lts
-            instruction: avx2
+            instruction: avx512
             python-version: "3.11"
     runs-on: [self-hosted, llm, "${{matrix.instruction}}", "${{matrix.os}}"]
     env: