diff --git a/package-lock.json b/package-lock.json
index 1c51d86..8f9c237 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,13 +40,50 @@
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+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
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-        "inherits": "^2.0.4",
-        "readable-stream": "^3.4.0"
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
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+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
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+          "requires": {
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+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
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+            }
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+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
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+              "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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+            }
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     "bluebird": {
@@ -283,15 +320,6 @@
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-          "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
-          "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
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@@ -580,6 +608,18 @@
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         "inherits": "^2.0.3",
         "readable-stream": "^3.1.1"
+      },
+      "dependencies": {
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+          "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"
+          }
+        }
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     },
     "through": {