diff --git a/.github/workflows/test_libmpdataxx.yml b/.github/workflows/test_libmpdataxx.yml
index c93ae062..042a958f 100644
--- a/.github/workflows/test_libmpdataxx.yml
+++ b/.github/workflows/test_libmpdataxx.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         tag: ["uwlcm_ubuntu_24_04_cuda_12_9_0", "uwlcm_ubuntu_24_04_cuda_12_9_0_mvapich2"]
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: load UWLCM Singularity image
       uses: igfuw/load_UWLCM_singularity_image@main
@@ -47,7 +47,7 @@ jobs:
           cmake_options: "-DLIBMPDATAXX_MPI_THREAD_MULTIPLE=OFF"
           ctest_options: "-LE SlowWithMpi"  # exclude tests with the label SlowWithMpi
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
  
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -84,7 +84,7 @@ jobs:
           ctest_options: "-LE SlowWithMpi"  
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -121,7 +121,7 @@ jobs:
           cxx: "mpic++"
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -158,7 +158,7 @@ jobs:
           ctest_options: "-LE SlowWithMpi"  # exclude tests with the label SlowWithMpi
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -190,7 +190,7 @@ jobs:
           cxx: "g++"
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -222,7 +222,7 @@ jobs:
           cxx: "g++"
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Install libmpdata++
       uses: igfuw/libmpdataxx_install@master
@@ -236,7 +236,7 @@ jobs:
         cxx: ${{ matrix.cxx }}
 
     - name: checkout elliptic_drop
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         repository: igfuw/shallow-water-elliptic-drop 
         path: shallow-water-elliptic-drop