diff --git a/package-lock.json b/package-lock.json
index 46b480e8..92ec621b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -795,6 +795,22 @@
             "pako": "1.0.7"
           }
         },
+        "buffer": {
+          "version": "5.0.8",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.8.tgz",
+          "integrity": "sha512-xXvjQhVNz50v2nPeoOsNqWCLGfiv4ji/gXZM28jnVwdLJxH4mFyqgqCKfaK9zf1KUbG6zTkjLOy7ou+jSMarGA==",
+          "dev": true,
+          "requires": {
+            "base64-js": "^1.0.2",
+            "ieee754": "^1.1.4"
+          }
+        },
+        "cached-path-relative": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.1.tgz",
+          "integrity": "sha1-0JxLUoAKpMB44t2BqGmqyQ0uVOc=",
+          "dev": true
+        },
         "glob": {
           "version": "7.1.3",
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
@@ -951,12 +967,12 @@
       "dev": true
     },
     "buffer": {
-      "version": "5.0.8",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.8.tgz",
-      "integrity": "sha512-xXvjQhVNz50v2nPeoOsNqWCLGfiv4ji/gXZM28jnVwdLJxH4mFyqgqCKfaK9zf1KUbG6zTkjLOy7ou+jSMarGA==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
+      "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
       "requires": {
-        "base64-js": "1.3.0",
-        "ieee754": "1.1.12"
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4"
       }
     },
     "buffer-equal": {
@@ -1016,12 +1032,6 @@
         "unset-value": "1.0.0"
       }
     },
-    "cached-path-relative": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.2.tgz",
-      "integrity": "sha512-5r2GqsoEb4qMTTN9J+WzXfjov+hjxT+j3u5K+kIVNIwAd99DLCJE9pBIMP1qVeybV6JiijL385Oz0DcYxfbOIg==",
-      "dev": true
-    },
     "callsite": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
@@ -3637,6 +3647,18 @@
             "util": "0.10.4",
             "vm-browserify": "1.1.0",
             "xtend": "4.0.1"
+          },
+          "dependencies": {
+            "buffer": {
+              "version": "5.0.8",
+              "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.8.tgz",
+              "integrity": "sha512-xXvjQhVNz50v2nPeoOsNqWCLGfiv4ji/gXZM28jnVwdLJxH4mFyqgqCKfaK9zf1KUbG6zTkjLOy7ou+jSMarGA==",
+              "dev": true,
+              "requires": {
+                "base64-js": "^1.0.2",
+                "ieee754": "^1.1.4"
+              }
+            }
           }
         },
         "browserify-zlib": {
@@ -3648,6 +3670,12 @@
             "pako": "1.0.6"
           }
         },
+        "cached-path-relative": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.1.tgz",
+          "integrity": "sha1-0JxLUoAKpMB44t2BqGmqyQ0uVOc=",
+          "dev": true
+        },
         "detective": {
           "version": "5.1.0",
           "resolved": "https://registry.npmjs.org/detective/-/detective-5.1.0.tgz",
@@ -5314,6 +5342,14 @@
         "subarg": "1.0.0",
         "through2": "2.0.3",
         "xtend": "4.0.1"
+      },
+      "dependencies": {
+        "cached-path-relative": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.1.tgz",
+          "integrity": "sha1-0JxLUoAKpMB44t2BqGmqyQ0uVOc=",
+          "dev": true
+        }
       }
     },
     "monotonic-timestamp": {
@@ -8432,6 +8468,18 @@
             "util": "0.10.4",
             "vm-browserify": "1.1.0",
             "xtend": "4.0.1"
+          },
+          "dependencies": {
+            "buffer": {
+              "version": "5.0.8",
+              "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.8.tgz",
+              "integrity": "sha512-xXvjQhVNz50v2nPeoOsNqWCLGfiv4ji/gXZM28jnVwdLJxH4mFyqgqCKfaK9zf1KUbG6zTkjLOy7ou+jSMarGA==",
+              "dev": true,
+              "requires": {
+                "base64-js": "^1.0.2",
+                "ieee754": "^1.1.4"
+              }
+            }
           }
         },
         "browserify-zlib": {
@@ -8443,6 +8491,12 @@
             "pako": "1.0.6"
           }
         },
+        "cached-path-relative": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.1.tgz",
+          "integrity": "sha1-0JxLUoAKpMB44t2BqGmqyQ0uVOc=",
+          "dev": true
+        },
         "chokidar": {
           "version": "1.7.0",
           "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.7.0.tgz",
diff --git a/package.json b/package.json
index 83e0139a..ff6d49ba 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "dependencies": {
     "bootstrap": "~3.4.0",
-    "buffer": "~5.0.2",
+    "buffer": "~5.2.1",
     "commander": "^2.11.0",
     "data-uri-to-buffer": "^2.0.0",
     "downloadjs": "^1.4.7",
diff --git a/yarn.lock b/yarn.lock
index a207abf6..18ba65c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -723,7 +723,7 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.0.2:
+buffer@^5.0.2, buffer@~5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.2.1.tgz#dd57fa0f109ac59c602479044dca7b8b3d0b71d6"
   integrity sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==
@@ -731,14 +731,6 @@ buffer@^5.0.2:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
-buffer@~5.0.2:
-  version "5.0.8"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.0.8.tgz#84daa52e7cf2fa8ce4195bc5cf0f7809e0930b24"
-  integrity sha512-xXvjQhVNz50v2nPeoOsNqWCLGfiv4ji/gXZM28jnVwdLJxH4mFyqgqCKfaK9zf1KUbG6zTkjLOy7ou+jSMarGA==
-  dependencies:
-    base64-js "^1.0.2"
-    ieee754 "^1.1.4"
-
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"