diff --git a/.github/workflows/netcdf_hdf5_no_pnetcdf_ncint_mpich.yml b/.github/workflows/netcdf_hdf5_no_pnetcdf_ncint_mpich.yml
index 44222f445..953514dd7 100644
--- a/.github/workflows/netcdf_hdf5_no_pnetcdf_ncint_mpich.yml
+++ b/.github/workflows/netcdf_hdf5_no_pnetcdf_ncint_mpich.yml
@@ -22,6 +22,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Installs
       run: |
+        sudo apt-get update
         sudo apt-get install doxygen graphviz wget gfortran libjpeg-dev libz-dev libcurl4-gnutls-dev
     - name: cache-mpich
       id: cache-mpich
diff --git a/.github/workflows/netcdf_hdf5_pnetcdf_ncint_mpich_asan.yml b/.github/workflows/netcdf_hdf5_pnetcdf_ncint_mpich_asan.yml
index 02c258115..54b11b1ba 100644
--- a/.github/workflows/netcdf_hdf5_pnetcdf_ncint_mpich_asan.yml
+++ b/.github/workflows/netcdf_hdf5_pnetcdf_ncint_mpich_asan.yml
@@ -23,6 +23,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Installs
       run: |
+        sudo apt-get update
         sudo apt-get install doxygen graphviz wget gfortran libjpeg-dev libz-dev
     - name: cache-mpich
       id: cache-mpich
diff --git a/.github/workflows/netcdf_pnetcdf_openmpi.yml b/.github/workflows/netcdf_pnetcdf_openmpi.yml
index 1bd6d64d7..404f89a15 100644
--- a/.github/workflows/netcdf_pnetcdf_openmpi.yml
+++ b/.github/workflows/netcdf_pnetcdf_openmpi.yml
@@ -25,6 +25,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Installs
       run: |
+        sudo apt-get update
         sudo apt-get install doxygen graphviz wget gfortran libjpeg-dev libz-dev
     - name: cache-openmpi
       id: cache-openmpi