diff --git a/.github/workflows/test_models.yml b/.github/workflows/test_models.yml
index 511783e1c..e85c2400c 100644
--- a/.github/workflows/test_models.yml
+++ b/.github/workflows/test_models.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         version: [3.11]
-        os: [nodai-ubuntu-builder-large]
+        os: [nod-ai-shared-cpubuilder-x86_64]
 
     runs-on: ${{matrix.os}}
     steps:
diff --git a/.github/workflows/test_shark.yml b/.github/workflows/test_shark.yml
index de7da3b19..9915613a8 100644
--- a/.github/workflows/test_shark.yml
+++ b/.github/workflows/test_shark.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         version: [3.11]
-        os: [nodai-ubuntu-builder-large]
+        os: [nod-ai-shared-cpubuilder-x86_64]
 
     runs-on: ${{matrix.os}}
     steps: