diff --git a/package-lock.json b/package-lock.json
index 142b2eb..45f3147 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -167,6 +167,11 @@
       "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
       "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
     },
+    "base64-js": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
+    },
     "better-assert": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
@@ -184,10 +189,12 @@
       }
     },
     "bl": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-4.0.1.tgz",
-      "integrity": "sha512-FL/TdvchukRCuWVxT0YMO/7+L5TNeNrVFvRU2IY63aUyv9mpt8splf2NEr6qXtPo5fya5a66YohQKvGNmLrWNA==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.0.3.tgz",
+      "integrity": "sha512-fs4G6/Hu4/EE+F75J8DuN/0IpQqNjAdC7aEQv7Qt8MHGUH7Ckv2MwTEEeN9QehD0pfIDkMI1bkHYkKy7xHyKIg==",
       "requires": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
         "readable-stream": "^3.4.0"
       },
       "dependencies": {
@@ -208,6 +215,15 @@
       "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
       "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
     },
+    "buffer": {
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.0.tgz",
+      "integrity": "sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==",
+      "requires": {
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4"
+      }
+    },
     "buffer-equal-constant-time": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
@@ -534,6 +550,11 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ieee754": {
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
+    },
     "in-publish": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/in-publish/-/in-publish-2.0.0.tgz",