diff --git a/.github/workflows/singularity_image.yml b/.github/workflows/singularity_image.yml
index b4c1cb4..66bb4fe 100644
--- a/.github/workflows/singularity_image.yml
+++ b/.github/workflows/singularity_image.yml
@@ -11,15 +11,33 @@ on:
 jobs:
   build:
     runs-on: X86
-
+    defaults:
+      run:
+        shell: bash
+        working-directory: ./singularity
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v2
 
       - name: Build Singularity Image
         run: |
-          singularity build ciroh-ngen-singularity.sif singularity/singularity_ngen.def
+          sudo singularity build ciroh-ngen-singularity.sif singularity_ngen.def
 
+      - name: Test
+        run: |
+          rm -rf /home/ubuntu/workspace/AWI_09_004/partitions*.json
+          rm -rf /home/ubuntu/workspace/AWI_09_004/*.csv
+          rm -rf /home/ubuntu/workspace/AWI_09_004/*.parquet
+          rm -rf /home/ubuntu/workspace/AWI_09_004/outputs/*
+          singularity run --bind /home/ubuntu/workspace/AWI_09_004:/ngen/ngen/data ciroh-ngen-singularity.sif "/ngen/ngen/data auto 2"
+          output_count=`ls /home/ubuntu/workspace/AWI_09_004/outputs | wc -l`
+          if [[ "$output_count" < 1 ]]; then
+            echo "No outputs found"
+            exit 1
+          else
+            echo "Test run successfully"
+          fi
+          
       - name: Push Singularity Image to Library
         run: |
-          singularity push -U ciroh-ngen-singularity.sif library://awiciroh/ngiab/ciroh-ngen-singularity:latest
+          singularity push -U ciroh-ngen-singularity.sif library://awiciroh/ngiab/ciroh-ngen-singularity:latest
\ No newline at end of file
diff --git a/singularity/templates/ngen/install_ngen.sh b/singularity/templates/ngen/install_ngen.sh
index 6d95d46..bbbce8e 100755
--- a/singularity/templates/ngen/install_ngen.sh
+++ b/singularity/templates/ngen/install_ngen.sh
@@ -22,6 +22,7 @@ then
 fi
 git clone https://github.com/NOAA-OWP/ngen.git
 cd ngen
+git checkout f91e2ea
 echo "==========================================================="
 echo "==========================================================="