diff --git a/scm-ui/ui-plugins/package.json b/scm-ui/ui-plugins/package.json
index 68e44fabff..6462f246ff 100644
--- a/scm-ui/ui-plugins/package.json
+++ b/scm-ui/ui-plugins/package.json
@@ -22,6 +22,7 @@
     "@types/react-i18next": "^7.8.3",
     "@types/react-redux": "5.0.7",
     "@types/react-router-dom": "^5.1.0",
+    "@types/styled-components": "^4.1.19",
     "classnames": "^2.2.6",
     "jest": "^24.9.0",
     "query-string": "^5.0.1",
diff --git a/scm-ui/ui-webapp/package.json b/scm-ui/ui-webapp/package.json
index 2bc3476a8a..39023a5034 100644
--- a/scm-ui/ui-webapp/package.json
+++ b/scm-ui/ui-webapp/package.json
@@ -31,6 +31,18 @@
   },
   "devDependencies": {
     "@scm-manager/ui-tests": "^2.0.0-SNAPSHOT",
+    "@types/classnames": "^2.2.9",
+    "@types/enzyme": "^3.10.3",
+    "@types/fetch-mock": "^7.3.1",
+    "@types/jest": "^24.0.19",
+    "@types/query-string": "5",
+    "@types/react": "^16.9.9",
+    "@types/react-dom": "^16.9.2",
+    "@types/react-i18next": "^7.8.3",
+    "@types/react-redux": "5.0.7",
+    "@types/react-router-dom": "^5.1.0",
+    "@types/styled-components": "^4.1.19",
+    "@types/systemjs": "^0.20.6",
     "fetch-mock": "^7.5.1",
     "flow-bin": "^0.109.0",
     "flow-typed": "^2.6.1",
diff --git a/yarn.lock b/yarn.lock
index bba6da8a23..c4855b06fb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2860,6 +2860,11 @@
     "@types/react-native" "*"
     csstype "^2.2.0"
 
+"@types/systemjs@^0.20.6":
+  version "0.20.6"
+  resolved "https://registry.yarnpkg.com/@types/systemjs/-/systemjs-0.20.6.tgz#79838d2b4bce9c014330efa0b4c7b9345e830a72"
+  integrity sha512-p3yv9sBBJXi3noUG216BpUI7VtVBUAvBIfZNTiDROUY31YBfsFHM4DreS7XMekN8IjtX0ysvCnm6r3WnirnNeA==
+
 "@types/webpack-env@*":
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/@types/webpack-env/-/webpack-env-1.14.1.tgz#0d8a53f308f017c53a5ddc3d07f4d6fa76b790d7"