diff --git a/package-lock.json b/package-lock.json
index 1d635c20..cedd1db1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,102 +5,45 @@
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+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         }
       }
@@ -9671,9 +9509,9 @@
       "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk="
     },
     "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
       "dev": true
     },
     "y18n": {
@@ -9689,37 +9527,40 @@
       "dev": true
     },
     "yargs": {
-      "version": "12.0.5",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-      "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+      "version": "13.3.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
+      "integrity": "sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==",
       "dev": true,
       "requires": {
-        "cliui": "^4.0.0",
-        "decamelize": "^1.2.0",
+        "cliui": "^5.0.0",
         "find-up": "^3.0.0",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^3.0.0",
+        "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
+        "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
-        "string-width": "^2.0.0",
+        "string-width": "^3.0.0",
         "which-module": "^2.0.0",
-        "y18n": "^3.2.1 || ^4.0.0",
-        "yargs-parser": "^11.1.1"
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.1"
       },
       "dependencies": {
-        "require-main-filename": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
-          "dev": true
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
         }
       }
     },
     "yargs-parser": {
-      "version": "11.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-      "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+      "version": "13.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
+      "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
diff --git a/package.json b/package.json
index 2b79fbed..8e8c3baf 100644
--- a/package.json
+++ b/package.json
@@ -25,8 +25,8 @@
   },
   "homepage": "https://github.com/terrestris/geostyler-sld-parser#readme",
   "dependencies": {
-    "geostyler-style": "^1.2.0",
-    "lodash": "^4.17.11",
+    "geostyler-style": "^1.2.1",
+    "lodash": "^4.17.15",
     "xml2js": "^0.4.19",
     "xmldom": "^0.1.27"
   },
@@ -43,24 +43,24 @@
     "release": "np --no-yarn && git push https://github.com/terrestris/geostyler-sld-parser.git master --tags"
   },
   "devDependencies": {
-    "@babel/core": "^7.4.5",
-    "@babel/plugin-proposal-class-properties": "^7.4.4",
-    "@babel/plugin-proposal-object-rest-spread": "^7.4.4",
+    "@babel/core": "^7.5.5",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/plugin-proposal-object-rest-spread": "^7.5.5",
     "@babel/polyfill": "^7.4.4",
-    "@babel/preset-env": "^7.4.5",
+    "@babel/preset-env": "^7.5.5",
     "@babel/preset-typescript": "^7.3.3",
-    "@types/jest": "^24.0.15",
-    "@types/lodash": "^4.14.135",
-    "@types/node": "^12.0.12",
+    "@types/jest": "^24.0.18",
+    "@types/lodash": "^4.14.138",
+    "@types/node": "^12.7.3",
     "@types/xml2js": "^0.4.4",
-    "babel-jest": "^24.8.0",
-    "coveralls": "^3.0.4",
-    "jest": "^24.8.0",
+    "babel-jest": "^24.9.0",
+    "coveralls": "^3.0.6",
+    "jest": "^24.9.0",
     "np": "^5.0.3",
-    "ts-loader": "^5.3.3",
-    "tslint": "^5.16.0",
-    "typescript": "^3.4.5",
-    "webpack": "^4.35.2",
-    "webpack-cli": "^3.3.5"
+    "ts-loader": "^5.4.5",
+    "tslint": "^5.19.0",
+    "typescript": "^3.6.2",
+    "webpack": "^4.39.3",
+    "webpack-cli": "^3.3.7"
   }
 }