diff --git a/jest-e2e.json b/jest-e2e.json
index 7594b2068..4dccfdafa 100644
--- a/jest-e2e.json
+++ b/jest-e2e.json
@@ -13,5 +13,10 @@
     "^.+\\.(t|j)s$": "ts-jest"
   },
   "coverageDirectory": "./coverage-e2e",
-  "testTimeout": 10000
+  "testTimeout": 10000,
+  "globals": {
+    "ts-jest": {
+      "tsconfig": "tsconfig.test.json"
+    }
+  }
 }
diff --git a/package.json b/package.json
index 23cd9d452..5d73538cc 100644
--- a/package.json
+++ b/package.json
@@ -98,6 +98,11 @@
       "^.+\\.(t|j)s$": "ts-jest"
     },
     "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "globals": {
+      "ts-jest": {
+        "tsconfig": "tsconfig.test.json"
+      }
+    }
   }
 }
diff --git a/tsconfig.test.json b/tsconfig.test.json
new file mode 100644
index 000000000..5787af45b
--- /dev/null
+++ b/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "strict": false
+  }
+}
diff --git a/tsconfig.test.json.license b/tsconfig.test.json.license
new file mode 100644
index 000000000..078e5a9ac
--- /dev/null
+++ b/tsconfig.test.json.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+
+SPDX-License-Identifier: CC0-1.0