diff --git a/demos/react-demo/package-lock.json b/demos/react-demo/package-lock.json
index 9db23e13f..464a0a18c 100644
--- a/demos/react-demo/package-lock.json
+++ b/demos/react-demo/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "pptxgenjs-react-demo",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -4346,12 +4346,6 @@
         "minimalistic-crypto-utils": "^1.0.0"
       }
     },
-    "email-addresses": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/email-addresses/-/email-addresses-3.1.0.tgz",
-      "integrity": "sha512-k0/r7GrWVL32kZlGwfPNgB2Y/mMXVTq/decgLczm/j34whdaspNrZO8CnXPf1laaHxI6ptUlsnAxN+UAPw+fzg==",
-      "dev": true
-    },
     "emoji-regex": {
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       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
@@ -4946,9 +4940,9 @@
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     },
     "eventsource": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.1.tgz",
+      "integrity": "sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==",
       "requires": {
         "original": "^1.0.0"
       }
@@ -5304,33 +5298,6 @@
         "schema-utils": "^1.0.0"
       }
     },
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/filename-reserved-regex/-/filename-reserved-regex-1.0.0.tgz",
-      "integrity": "sha1-5hz4BfDeHJhFZ9A4bcXfUO5a9+Q=",
-      "dev": true
-    },
-    "filenamify": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/filenamify/-/filenamify-1.2.1.tgz",
-      "integrity": "sha1-qfL/0RxQO+0wABUCknI3jx8TZaU=",
-      "dev": true,
-      "requires": {
-        "filename-reserved-regex": "^1.0.0",
-        "strip-outer": "^1.0.0",
-        "trim-repeated": "^1.0.0"
-      }
-    },
-    "filenamify-url": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/filenamify-url/-/filenamify-url-1.0.0.tgz",
-      "integrity": "sha1-syvYExnvWGO3MHi+1Q9GpPeXX1A=",
-      "dev": true,
-      "requires": {
-        "filenamify": "^1.0.0",
-        "humanize-url": "^1.0.0"
-      }
-    },
     "filesize": {
       "version": "3.6.1",
       "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
@@ -5673,61 +5640,6 @@
         "assert-plus": "^1.0.0"
       }
     },
-    "gh-pages": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/gh-pages/-/gh-pages-2.2.0.tgz",
-      "integrity": "sha512-c+yPkNOPMFGNisYg9r4qvsMIjVYikJv7ImFOhPIVPt0+AcRUamZ7zkGRLHz7FKB0xrlZ+ddSOJsZv9XAFVXLmA==",
-      "dev": true,
-      "requires": {
-        "async": "^2.6.1",
-        "commander": "^2.18.0",
-        "email-addresses": "^3.0.1",
-        "filenamify-url": "^1.0.0",
-        "fs-extra": "^8.1.0",
-        "globby": "^6.1.0"
-      },
-      "dependencies": {
-        "async": {
-          "version": "2.6.3",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-          "dev": true,
-          "requires": {
-            "lodash": "^4.17.14"
-          }
-        },
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
-        "globby": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
-          "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
-          "dev": true,
-          "requires": {
-            "array-union": "^1.0.1",
-            "glob": "^7.0.3",
-            "object-assign": "^4.0.1",
-            "pify": "^2.0.0",
-            "pinkie-promise": "^2.0.0"
-          }
-        },
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-          "dev": true
-        }
-      }
-    },
     "glob": {
       "version": "7.1.4",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
@@ -6170,16 +6082,6 @@
       "resolved": "https://registry.npmjs.org/https-browserify/-/https-browserify-1.0.0.tgz",
       "integrity": "sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM="
     },
-    "humanize-url": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/humanize-url/-/humanize-url-1.0.1.tgz",
-      "integrity": "sha1-9KuZ4NKIF0yk4eUEB8VfuuRk7/8=",
-      "dev": true,
-      "requires": {
-        "normalize-url": "^1.0.0",
-        "strip-url-auth": "^1.0.0"
-      }
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     "iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -12034,21 +11936,6 @@
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     },
-    "strip-outer": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/strip-outer/-/strip-outer-1.0.1.tgz",
-      "integrity": "sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==",
-      "dev": true,
-      "requires": {
-        "escape-string-regexp": "^1.0.2"
-      }
-    },
-    "strip-url-auth": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/strip-url-auth/-/strip-url-auth-1.0.1.tgz",
-      "integrity": "sha1-IrD6OkE4WzO+PzMVUbu4N/oM164=",
-      "dev": true
-    },
     "style-loader": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/style-loader/-/style-loader-1.0.0.tgz",
@@ -12347,15 +12234,6 @@
         "punycode": "^2.1.0"
       }
     },
-    "trim-repeated": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
-      "integrity": "sha1-42RqLqTokTEr9+rObPsFOAvAHCE=",
-      "dev": true,
-      "requires": {
-        "escape-string-regexp": "^1.0.2"
-      }
-    },
     "ts-pnp": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/ts-pnp/-/ts-pnp-1.1.4.tgz",