diff --git a/deploy/build.sh b/deploy/build.sh
index a04292f..1c3f0b3 100755
--- a/deploy/build.sh
+++ b/deploy/build.sh
@@ -81,6 +81,17 @@ for tool in git npm; do
 done
 check_docker
 check_age_setup
+if [[ -z "${SKIP_DB_MIGRATION_CHECK:-}" ]]; then
+  if command -v npx >/dev/null 2>&1; then
+    echo "Checking for pending Prisma migrations..."
+    if ! npx prisma migrate status >/dev/null 2>&1; then
+      echo "Prisma migrate status failed. Ensure DATABASE_URL is set and migrations are up to date." >&2
+      exit 1
+    fi
+  else
+    echo "npx not found; skipping Prisma migration check." >&2
+  fi
+fi
 
 GIT_SHA=$(git rev-parse --short HEAD 2>/dev/null || date +%s)
 BASE_TAG=${BUILD_TAG:-$GIT_SHA}