diff --git a/.github/workflows/job1.yml b/.github/workflows/job1.yml
index 7630e5302..9c05c0a7b 100644
--- a/.github/workflows/job1.yml
+++ b/.github/workflows/job1.yml
@@ -100,6 +100,7 @@ jobs:
             flex
             bison
             unzip
+            mingw-w64-lapack
 
       - uses: actions/checkout@v4