diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04.yml b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
index 6c33a30e5..cd709a3a3 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
@@ -30,7 +30,7 @@ jobs:
     # Initial
     #######################################################################################
     - name: Checkout SCM code (into /home/runner/work/ccpp-scm/)
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize submodules
       run: git submodule update --init --recursive
@@ -39,7 +39,7 @@ jobs:
     # Python setup
     #######################################################################################
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{matrix.py-version}}
 
@@ -87,7 +87,7 @@ jobs:
 
     - name: Cache bacio library v2.4.1
       id: cache-bacio-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/bacio
         key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
@@ -104,7 +104,7 @@ jobs:
 
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/NCEPLIBS-sp
         key: cache-sp-fortran-${{matrix.fortran-compiler}}-key
@@ -121,7 +121,7 @@ jobs:
 
     - name: Cache w3emc library v2.9.2
       id: cache-w3emc-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/myw3emc
         key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
@@ -143,7 +143,7 @@ jobs:
 
     - name: Cache NetCDF Fortran library
       id: cache-netcdf-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/netcdf-fortran
         key: cache-netcdf-fortran-${{matrix.fortran-compiler}}-key
diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
index 8bb7fcedb..cef900f9b 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
@@ -60,7 +60,7 @@ jobs:
     # Initial
     #######################################################################################
     - name: Checkout SCM code (into /home/runner/work/ccpp-scm/)
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize submodules
       run: git submodule update --init --recursive
@@ -69,7 +69,7 @@ jobs:
     # Python setup
     #######################################################################################
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{matrix.py-version}}
 
@@ -151,7 +151,7 @@ jobs:
 
     - name: Cache NetCDF C library
       id: cache-netcdf-c
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/netcdf-c
         key: cache-netcdf-c-${{matrix.fortran-compiler}}-key
@@ -170,7 +170,7 @@ jobs:
 
     - name: Cache NetCDF Fortran library
       id: cache-netcdf-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/netcdf-fortran
         key: cache-netcdf-fortran-${{matrix.fortran-compiler}}-key
@@ -187,7 +187,7 @@ jobs:
 
     - name: Cache bacio library v2.4.1
       id: cache-bacio-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/bacio
         key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
@@ -204,7 +204,7 @@ jobs:
 
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/NCEPLIBS-sp
         key: cache-sp-fortran-${{matrix.fortran-compiler}}-key
@@ -221,7 +221,7 @@ jobs:
 
     - name: Cache w3emc library v2.9.2
       id: cache-w3emc-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/myw3emc
         key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
diff --git a/.github/workflows/ci_run_scm_DEPHY.yml b/.github/workflows/ci_run_scm_DEPHY.yml
index eeba4c7fe..bc1193f24 100644
--- a/.github/workflows/ci_run_scm_DEPHY.yml
+++ b/.github/workflows/ci_run_scm_DEPHY.yml
@@ -28,7 +28,7 @@ jobs:
     # Initial
     #######################################################################################
     - name: Checkout SCM code (into /home/runner/work/ccpp-scm/)
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize submodules
       run: git submodule update --init --recursive
@@ -37,7 +37,7 @@ jobs:
     # Python setup
     #######################################################################################
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{matrix.py-version}}
 
@@ -56,7 +56,7 @@ jobs:
     #######################################################################################
     - name: Cache bacio library v2.4.1
       id: cache-bacio-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/bacio
         key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
@@ -73,7 +73,7 @@ jobs:
 
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/NCEPLIBS-sp
         key: cache-sp-fortran-${{matrix.fortran-compiler}}-key
@@ -90,7 +90,7 @@ jobs:
 
     - name: Cache w3emc library v2.9.2
       id: cache-w3emc-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/myw3emc
         key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
@@ -110,7 +110,7 @@ jobs:
 
     - name: Cache NetCDF Fortran library v4.4.4
       id: cache-netcdf-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/netcdf-fortran
         key: cache-netcdf-fortran-${{matrix.fortran-compiler}}-key
diff --git a/.github/workflows/ci_run_scm_rts.yml b/.github/workflows/ci_run_scm_rts.yml
index d58a10cdd..24a26f3eb 100644
--- a/.github/workflows/ci_run_scm_rts.yml
+++ b/.github/workflows/ci_run_scm_rts.yml
@@ -32,7 +32,7 @@ jobs:
     # Initial
     #######################################################################################
     - name: Checkout SCM code (into /home/runner/work/ccpp-scm/)
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize submodules
       run: git submodule update --init --recursive
@@ -41,7 +41,7 @@ jobs:
     # Python setup
     #######################################################################################
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{matrix.py-version}}
 
@@ -73,7 +73,7 @@ jobs:
 
     - name: Cache bacio library v2.4.1
       id: cache-bacio-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/bacio
         key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
@@ -90,7 +90,7 @@ jobs:
 
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/NCEPLIBS-sp
         key: cache-sp-fortran-${{matrix.fortran-compiler}}-key
@@ -107,7 +107,7 @@ jobs:
 
     - name: Cache w3emc library v2.9.2
       id: cache-w3emc-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/myw3emc
         key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
@@ -127,7 +127,7 @@ jobs:
 
     - name: Cache NetCDF Fortran library
       id: cache-netcdf-fortran
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /home/runner/netcdf-fortran
         key: cache-netcdf-fortran-${{matrix.fortran-compiler}}-key
@@ -196,7 +196,7 @@ jobs:
         ./cmp_rt2bl.py --build_type ${{matrix.build-type}} --dir_rt ${dir_rt} --dir_bl ${dir_bl}
 
     - name: Upload SCM RTs as GitHub Artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: rt-baselines-${{matrix.build-type}}
         path: /home/runner/work/ccpp-scm/ccpp-scm/test/artifact-${{matrix.build-type}}
diff --git a/.github/workflows/ci_run_scm_ufs_replay.yml b/.github/workflows/ci_run_scm_ufs_replay.yml
index 0bd6a161d..508d3c490 100644
--- a/.github/workflows/ci_run_scm_ufs_replay.yml
+++ b/.github/workflows/ci_run_scm_ufs_replay.yml
@@ -23,7 +23,7 @@ jobs:
     #######################################################################################
 
     - name: Checkout SCM.
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize SCM submodules.
       run: git submodule update --init --recursive
@@ -32,13 +32,13 @@ jobs:
       run: sudo apt-get update
 
     - name: Cache conda
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/conda_pkgs_dir
         key: conda-pkgs
 
     - name: Setup python.
-      uses: conda-incubator/setup-miniconda@v2
+      uses: conda-incubator/setup-miniconda@v3
       with:
         activate-environment: env_ufsreplay
         environment-file: environment-ufsreplay.yml
@@ -51,7 +51,7 @@ jobs:
     #######################################################################################
 
     - name: Cache UWM regression test output.
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ${dir_rt_cache}
         key: ufs-rt-files
@@ -72,4 +72,4 @@ jobs:
 
     #######################################################################################
     # Done
-    #######################################################################################
\ No newline at end of file
+    #######################################################################################
diff --git a/.github/workflows/ci_scm_ccpp_prebuild.yml b/.github/workflows/ci_scm_ccpp_prebuild.yml
index bb9e3bd17..fbcaa169d 100644
--- a/.github/workflows/ci_scm_ccpp_prebuild.yml
+++ b/.github/workflows/ci_scm_ccpp_prebuild.yml
@@ -11,13 +11,13 @@ jobs:
     steps:
 
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize submodules
       run: git submodule update --init --recursive
-    
+
     - name: Set up Python 3.8.5
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8.5