diff --git a/.github/workflows/extraction_test.yml b/.github/workflows/extraction_test.yml
index ffbb25a38d..726c879fcd 100644
--- a/.github/workflows/extraction_test.yml
+++ b/.github/workflows/extraction_test.yml
@@ -48,8 +48,8 @@ jobs:
     if: ${{ github.repository == 'stfc/PSyclone-mirror' }}
     runs-on: self-hosted
     env:
-      LFRIC_APPS_REV: 7536
-      LFRIC_CORE_REV: 52054
+      LFRIC_APPS_HASH: 152804e4ba768cf54801f034a20131812ecff0f2
+      LFRIC_CORE_HASH: 022b139434b06c2431cf857f35f6bfa1ab8edeed
       PYTHON_VERSION: 3.13
 
     steps:
@@ -100,20 +100,17 @@ jobs:
         cp lib/extract/netcdf/lfric/*90 lfric-baf/infrastructure/build/psyclone/psydata/extract
 
         # Fetch the specified version of LFRic apps
-        source /archive/psyclone-spack/psyclone-spack-Jun25/spack-repo/share/spack/setup-env.sh
-        spack load fcm/xyl5qxp
         cd /archive/psyclone-tests/latest-run
         rm -rf lfric_extraction
         mkdir lfric_extraction
         cd lfric_extraction
-        fcm co --username ${{ secrets.UKMO_USER }} --password '${{ secrets.UKMO_PASSW }}' \
-          -r ${LFRIC_APPS_REV} https://code.metoffice.gov.uk/svn/lfric_apps/main/trunk/ lfric_apps
-        fcm co --username ${{ secrets.UKMO_USER }} --password '${{ secrets.UKMO_PASSW }}' \
-          -r ${LFRIC_CORE_REV} https://code.metoffice.gov.uk/svn/lfric/LFRic/trunk/ lfric_core
-        sed -i "s|lfric_core_rev=$LFRIC_CORE_REV|lfric_core_rev=|g" lfric_apps/dependencies.sh
-        sed -i "s|lfric_core_sources=|lfric_core_sources=$PWD/lfric_core|g" lfric_apps/dependencies.sh
-        sed -i "s|use_xios_io=.true.|use_xios_io=.false.|g" lfric_apps/applications/gungho_model/example/configuration.nml
-
+        git clone https://github.com/stfc/lfric_apps
+        cd lfric_apps
+        git checkout ${LFRIC_APPS_HASH}
+        cd ..
+        git clone https://github.com/stfc/lfric_core
+        cd lfric_core
+        git checkout ${LFRIC_CORE_HASH}
 
     # Compile GungHo with extraction
     - name: GungHo Extraction Compilation
@@ -137,7 +134,7 @@ jobs:
         # Copy the lfric source files (BAF copies files into the source tree)
         # -------------------------------------------------------------------
         rm -rf ${RUNDIR}
-        mkdir -p ${LFRIC_CORE} ${LFRIC_APPS}
+        mkdir -p ${RUNDIR}
         cp -r /archive/psyclone-tests/latest-run/lfric_extraction/lfric_core/ ${RUNDIR}
         cp -r /archive/psyclone-tests/latest-run/lfric_extraction/lfric_apps/ ${RUNDIR}
 
diff --git a/.github/workflows/lfric_test.yml b/.github/workflows/lfric_test.yml
index e1f084fcfc..43bf00bd3b 100644
--- a/.github/workflows/lfric_test.yml
+++ b/.github/workflows/lfric_test.yml
@@ -94,7 +94,7 @@ jobs:
         cd lfric_apps
         git checkout ${LFRIC_APPS_HASH}
 
-    # PSyclone, compile and run MetOffice LFRic with 6 MPI ranks.
+    # PSyclone, compile and run MetOffice LFRic Atm with 12 MPI ranks.
     - name: LFRic passthrough (with DistributedMemory)
       id: lfric_dist_mem
       run: |
@@ -114,19 +114,22 @@ jobs:
         export OPT_DIR=${LFRIC_DIR}/applications/gungho_model/optimisation/psyclone-test/psykal
         mkdir -p ${OPT_DIR}
         cp ${PSYCLONE_LFRIC_DIR}/does_nothing.py ${OPT_DIR}/global.py
+        export OPT_DIR=${LFRIC_DIR}/applications/gungho_model/optimisation/psyclone-test/transmute
+        mkdir -p ${OPT_DIR}
+        cp ${PSYCLONE_LFRIC_DIR}/does_nothing.py ${OPT_DIR}/global.py
         # Clean previous version and compile again
-        rm -rf working-gh-passthrough
-        ./build/local_build.py -j ${NUM_PARALLEL} -v -p psyclone-test -w working-gh-passthrough gungho_model
+        rm -rf working-atm-passthrough
+        ./build/local_build.py -j ${NUM_PARALLEL} -v -p psyclone-test -w working-atm-passthrough lfric_atm
         # Run
-        cd applications/gungho_model/example
-        rm -f timer.txt gungho_model-checksums.txt  # In case there were from a previous run
+        cd applications/lfric_atm/example
+        rm -f timer.txt lfric_atm-checksums.txt  # In case there were from a previous run
         # Number of OMP threads have to be set even when psyclone does not inject OpenMP
         # because some psykal-lite routines have it.
         export OMP_NUM_THREADS=1
         mpirun -n 12 ../bin/gungho_model configuration.nml
-        python ${PSYCLONE_LFRIC_DIR}/compare_output.py ${PSYCLONE_LFRIC_DIR}/KGOs/gungho_model-checksums.txt gungho_model-checksums.txt
+        python ${PSYCLONE_LFRIC_DIR}/compare_output.py ${PSYCLONE_LFRIC_DIR}/KGOs/lfric_atm-checksums.txt lfric_atm-checksums.txt
         cat timer.txt
-        export VAR_TIME=$(grep "gungho_model" timer.txt | cut -d'|' -f5)
+        export VAR_TIME=$(grep "lfric_atm" timer.txt | cut -d'|' -f5)
         echo "time=${VAR_TIME}" >> "${GITHUB_OUTPUT}"
 
     # PSyclone, compile and run MetOffice gungho_model on GPU
@@ -269,10 +272,9 @@ jobs:
         ./build/local_build.py -v -p meto-ex1a -j 16 -w working-atm-transmuted lfric_atm
         export BUILD_ELAPSED=$((${SECONDS}-${BUILD_START}))
 
-        # Run the app with 8 threads and no MPI
-        # (with MPI it currently fails to initialise the mesh - even with no psyclone)
+        # Run the app with 2 threads and 6 MPI ranks
         cd applications/lfric_atm/example/
-        OMP_NUM_THREADS=8 mpirun -n 1 ../bin/lfric_atm configuration.nml
+        OMP_NUM_THREADS=2 mpirun -n 6 ../bin/lfric_atm configuration.nml
 
         # And compare the results
         python ${PSYCLONE_LFRIC_DIR}/compare_output.py ${PSYCLONE_LFRIC_DIR}/KGOs/lfric_atm-checksums.txt lfric_atm-checksums.txt