diff --git a/package-lock.json b/package-lock.json
index 74712bba20..aa2d0766c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "firebase-admin",
-  "version": "9.0.0",
+  "version": "9.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1261,13 +1261,13 @@
       "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
     },
     "bcrypt": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-3.0.8.tgz",
-      "integrity": "sha512-jKV6RvLhI36TQnPDvUFqBEnGX9c8dRRygKxCZu7E+MgLfKZbmmXL8a7/SFFOyHoPNX9nV81cKRC5tbQfvEQtpw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-5.0.0.tgz",
+      "integrity": "sha512-jB0yCBl4W/kVHM2whjfyqnxTmOHkCX4kHEa5nYKSoGeYe8YrjTYTc87/6bwt1g8cmV0QrbhKriETg9jWtcREhg==",
       "dev": true,
       "requires": {
-        "nan": "2.14.0",
-        "node-pre-gyp": "0.14.0"
+        "node-addon-api": "^3.0.0",
+        "node-pre-gyp": "0.15.0"
       }
     },
     "bcrypt-pbkdf": {
@@ -5495,7 +5495,8 @@
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
       "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -5615,6 +5616,12 @@
         }
       }
     },
+    "node-addon-api": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-3.0.0.tgz",
+      "integrity": "sha512-sSHCgWfJ+Lui/u+0msF3oyCgvdkhxDbkCS6Q8uiJquzOimkJBvX6hl5aSSA7DR1XbMpdM8r7phjcF63sF4rkKg==",
+      "dev": true
+    },
     "node-fetch": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
@@ -5627,14 +5634,14 @@
       "integrity": "sha512-G6RlQt5Sb4GMBzXvhfkeFmbqR6MzhtnT7VTHuLadjkii3rdYHNdw0m8zA4BTxVIh68FicCQ2NSUANpsqkr9jvQ=="
     },
     "node-pre-gyp": {
-      "version": "0.14.0",
-      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz",
-      "integrity": "sha512-+CvDC7ZttU/sSt9rFjix/P05iS43qHCOOGzcr3Ry99bXG7VX953+vFyEuph/tfqoYu8dttBkE86JSKBO2OzcxA==",
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.15.0.tgz",
+      "integrity": "sha512-7QcZa8/fpaU/BKenjcaeFF9hLz2+7S9AqyXFhlH/rilsQ/hPZKK32RtR5EQHJElgu+q5RfbJ34KriI79UWaorA==",
       "dev": true,
       "requires": {
         "detect-libc": "^1.0.2",
-        "mkdirp": "^0.5.1",
-        "needle": "^2.2.1",
+        "mkdirp": "^0.5.3",
+        "needle": "^2.5.0",
         "nopt": "^4.0.1",
         "npm-packlist": "^1.1.6",
         "npmlog": "^4.0.2",
diff --git a/package.json b/package.json
index 061d5d0a1c..bb80b12f47 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "@types/sinon-chai": "^3.0.0",
     "@typescript-eslint/eslint-plugin": "^2.20.0",
     "@typescript-eslint/parser": "^2.20.0",
-    "bcrypt": "^3.0.6",
+    "bcrypt": "^5.0.0",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.0.0",
     "chalk": "^1.1.3",