diff --git a/.github/workflows/run_tests_linux.yml b/.github/workflows/run_tests_linux.yml
index e56e9e3a..179f38de 100644
--- a/.github/workflows/run_tests_linux.yml
+++ b/.github/workflows/run_tests_linux.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.7.4, v4.8.1, v4.9.0, main ]
+        netcdf: [ v4.9.3 ]
 
     steps:
 
@@ -75,7 +75,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.7.4, v4.8.1, v4.9.0, main ]
+        netcdf: [ v4.9.3 ]
 
     steps:
 
@@ -101,7 +101,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/environments/${{ matrix.hdf5 }}-${{ matrix.netcdf }}
-          key: hdf5-${{ runner.os }}-${{ matrix.hdf5 }}-${{ matrix.netcdf }}-par
+          key: hdf5-nc-${{ runner.os }}-${{ matrix.hdf5 }}-${{ matrix.netcdf }}-par
 
 
       - name: Build libhdf5-${{ matrix.hdf5 }}-${{ matrix.netcdf }}-par
@@ -134,7 +134,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.7.4, v4.8.1, v4.9.0, main ]
+        netcdf: [ v4.9.3 ]
 
     steps:
 
@@ -231,7 +231,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.7.4, v4.8.1, v4.9.0, main ]
+        netcdf: [ v4.9.3 ]
 
     steps:
 
@@ -261,7 +261,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/environments/${{ matrix.hdf5 }}-${{ matrix.netcdf }}
-          key: hdf5-${{ runner.os }}-${{ matrix.hdf5 }}-${{ matrix.netcdf }}-par
+          key: hdf5-nc-${{ runner.os }}-${{ matrix.hdf5 }}-${{ matrix.netcdf }}-par
 
       - name: Check Cache
         shell: bash -l {0}
@@ -314,9 +314,16 @@ jobs:
 
       - name: Run Tests
         shell: bash -l {0}
-        run: CC=${CC} CFLAGS=${CFLAGS} LDFLAGS=${LDFLAGS} LD_LIBRARY_PATH=${LD_LIBRARY_PATH} make check -j
+        run: CC=${CC} CFLAGS=${CFLAGS} LDFLAGS=${LDFLAGS} LD_LIBRARY_PATH=${LD_LIBRARY_PATH} make check -j 4
         if: ${{ success() }}
 
+      - name: View Failure Logs
+        shell: bash -l {0}
+        run: |
+          echo -e "\n\n\to NPROC: $(nproc)\n\n"
+          find . -name "test-suite.log" -exec cat {} \;
+        if: ${{ failure() }} 
+
       #- name: Make Distcheck
       #  shell: bash -l {0}
       #  run: CFLAGS=${CFLAGS} LDFLAGS=${LDFLAGS} LD_LIBRARY_PATH=${LD_LIBRARY_PATH} make distcheck -j
@@ -329,7 +336,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.7.4, v4.8.1, v4.9.0, main ]
+        netcdf: [ v4.9.3 ]
 
     steps:
 
diff --git a/.github/workflows/run_tests_macos.yml b/.github/workflows/run_tests_macos.yml
index 81a5cb63..c8f1608f 100644
--- a/.github/workflows/run_tests_macos.yml
+++ b/.github/workflows/run_tests_macos.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.9.0, main ]
+        netcdf: [ v4.9.3-prep.wif, main ]
 
     steps:
 
@@ -79,7 +79,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.9.0, main ]
+        netcdf: [ v4.9.3-prep.wif, main ]
 
     steps:
 
@@ -165,7 +165,7 @@ jobs:
     strategy:
       matrix:
         hdf5: [ 1.12.2 ]
-        netcdf: [ v4.9.0, main ]
+        netcdf: [ v4.9.3-prep.wif, main ]
 
     steps:
 
diff --git a/README.md b/README.md
index 3b26bd32..eacde2ee 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,10 @@ The netCDF Fortran libraries contain both F77 and F90 APIs. For documentation se
 
 * https://docs.unidata.ucar.edu/netcdf-fortran/current/
 
+Requirements
+-------------
+* NetCDF-C v4.9.3+
+
 Getting NetCDF
 --------------
 
diff --git a/nf_test4/ftst_vars.F b/nf_test4/ftst_vars.F
index f8d6aa25..993f6da4 100644
--- a/nf_test4/ftst_vars.F
+++ b/nf_test4/ftst_vars.F
@@ -38,7 +38,7 @@ program ftst_vars
       integer DEFAULT_CACHE_SIZE, DEFAULT_CACHE_NELEMS_OLD
       integer DEFAULT_CACHE_NELEMS_NEW
       integer DEFAULT_CACHE_PREEMPTION
-      parameter (DEFAULT_CACHE_SIZE = 16777216)
+      parameter (DEFAULT_CACHE_SIZE = 67108864)
       parameter (DEFAULT_CACHE_NELEMS_OLD = 4133)
       parameter (DEFAULT_CACHE_NELEMS_NEW = 1000)
       parameter (DEFAULT_CACHE_PREEMPTION = 75)