diff --git a/sde_update.sh b/sde_update.sh
new file mode 100644
index 0000000..e42b511
--- /dev/null
+++ b/sde_update.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+SDE_URL="https://www.fuzzwork.co.uk/dump/sqlite-latest.sqlite.bz2"
+
+echo "Downloading SDE from ${SDE_URL}"
+curl -o sde.sqlite.bz2 "${SDE_URL}" && bunzip2 sde.sqlite.bz2
+if [ -e sde.sqlite ]; then
+    echo "Generating reference data"
+    /usr/bin/env python gen_reference_data.py sde.sqlite
+    cp *.json dropbot/data/
+    
+    echo "Running unit tests"
+    /usr/bin/env python setup.py test > /dev/null 2>&1
+    
+    if [ $? -eq 0 ]; then
+        git add dropbox/data/*.json
+        git status
+        echo "SDE data updated successfully"
+    else
+        echo "Unit tests failed, please investigate"
+    fi
+else
+    echo "Error downloading SDE"
+    exit 1
+fi