diff --git a/backend/dockerfile b/backend/dockerfile
index 94fbcbc8..7db8afdf 100644
--- a/backend/dockerfile
+++ b/backend/dockerfile
@@ -1,6 +1,6 @@
-# syntax=docker/dockerfile:1
-FROM node:12 as TestRunner
-WORKDIR /test_work_dir
-COPY package*.json ./
-RUN npm install
+# syntax=docker/dockerfile:1
+FROM node:18 as TestRunner
+WORKDIR /test_work_dir
+COPY package*.json ./
+RUN npm install
 COPY . ./
\ No newline at end of file
diff --git a/backend/package.json b/backend/package.json
index 1d72b669..39edef55 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -8,6 +8,9 @@
   },
   "author": "",
   "license": "ISC",
+  "resolutions": {
+    "source-map": "^0.8.0-beta.0"
+  },
   "dependencies": {
     "aws-sdk": "^2.524.0",
     "body-parser": "^1.19.0",
@@ -19,6 +22,7 @@
     "mysql": "^2.18.1",
     "osmtogeojson": "^3.0.0-beta.4",
     "rimraf": "^3.0.0",
+    "source-map": "^0.8.0-beta.0",
     "unzip": "^0.1.11",
     "yaml": "^1.6.0"
   },