diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04.yml b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
index 66f2c93f4..c85976739 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
@@ -9,9 +9,12 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        fortran-compiler: [gfortran-10, gfortran-11, gfortran-12]
-        build-type:       [Release, Debug]
-        py-version:       [3.7.13, 3.9.12]
+#        fortran-compiler: [gfortran-10, gfortran-11, gfortran-12]
+        fortran-compiler: [gfortran-12]
+#        build-type:       [Release, Debug]
+        build-type:       [Debug]
+#        py-version:       [3.7.13, 3.9.12]
+        py-version:       [3.7.13]
 
     # Environmental variables
     env:
@@ -139,7 +142,6 @@ jobs:
 
     - name: Install NetCDF C library
       run: |
-        sudo apt-get update
         sudo apt-get install libnetcdf-dev
 
     - name: Cache NetCDF Fortran library