diff --git a/package-lock.json b/package-lock.json
index 37876c5..90a9127 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -927,25 +927,12 @@
       "dev": true
     },
     "bl": {
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-      "resolved": "https://registry.npmjs.org/bl/-/bl-4.0.2.tgz",
-      "integrity": "sha512-j4OH8f6Qg2bGuWfRiltT2HYGx0e1QcBTrK9KAHNMwMZdQnDZFk0ZSYIpADjYCB3U12nicC5tVJwSIhwOWjb4RQ==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
       "requires": {
-        "buffer": "^5.5.0",
-        "inherits": "^2.0.4",
-        "readable-stream": "^3.4.0"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "3.6.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
-          "requires": {
-            "inherits": "^2.0.3",
-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
       }
     },
     "bluebird": {
@@ -5151,15 +5138,6 @@
         "sliced": "1.0.1"
       },
       "dependencies": {
-        "bl": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
-          "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
-          "requires": {
-            "readable-stream": "^2.3.5",
-            "safe-buffer": "^5.1.1"
-          }
-        },
         "bson": {
           "version": "1.1.4",
           "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.4.tgz",
@@ -6942,6 +6920,16 @@
         "readable-stream": "^3.1.1"
       },
       "dependencies": {
+        "bl": {
+          "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"
+          }
+        },
         "readable-stream": {
           "version": "3.6.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",