diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63cd5faed..bdd85df49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Delay before retrying Web Socket, in [#97](https://github.com/Microsoft/BotFramework-WebChat/pull/97)
 - Slow down polling on congested traffic, in [#98](https://github.com/Microsoft/BotFramework-DirectLineJS/pull/98)
+- Bump dependencies, in [#100](https://github.com/Microsoft/BotFramework-DirectLineJS/pull/100)
+   - `deep-extend` from `0.4.2` to `0.5.1`
+   - `randomatic` from `1.1.7` to `3.1.0`
 
 ## [0.9.17] - 2018-08-31
 ### Changed
@@ -23,5 +26,5 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [0.9.15] - 2018-04-24
 ### Added
 - OAuthCard and `getSessionId` in PR #67
-  - Add OAuthCard ([`c7b8af7`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/c7b8af7be35685c220f2d777daa96f52d757f53f))
-  - Add `getSessionId` ([`9c87aa3`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/9c87aa3f54947ea2fee836b41eec8ec45297a57a), [`9a2b2d8`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/9a2b2d889af48e558f563758aa01d498b2b2cf49), [`df84d00`](df84d0054f784ae5eb36784ef07a2aa38ca6c95b), [`92cc331`](92cc33138dfbdd533b4d14f6be275d1c86ef8db4))
+   - Add OAuthCard ([`c7b8af7`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/c7b8af7be35685c220f2d777daa96f52d757f53f))
+   - Add `getSessionId` ([`9c87aa3`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/9c87aa3f54947ea2fee836b41eec8ec45297a57a), [`9a2b2d8`](https://github.com/Microsoft/BotFramework-DirectLineJS/commit/9a2b2d889af48e558f563758aa01d498b2b2cf49), [`df84d00`](df84d0054f784ae5eb36784ef07a2aa38ca6c95b), [`92cc331`](92cc33138dfbdd533b4d14f6be275d1c86ef8db4))
diff --git a/package-lock.json b/package-lock.json
index 91426fd08..dc8d317c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -347,14 +347,14 @@
       "dev": true
     },
     "fill-range": {
-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-2.2.3.tgz",
-      "integrity": "sha1-ULd9/X5Gm8dJJHCWNpn+eoSFpyM=",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-2.2.4.tgz",
+      "integrity": "sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==",
       "dev": true,
       "requires": {
         "is-number": "^2.1.0",
         "isobject": "^2.0.0",
-        "randomatic": "^1.1.3",
+        "randomatic": "^3.0.0",
         "repeat-element": "^1.1.2",
         "repeat-string": "^1.5.2"
       }
@@ -375,14 +375,14 @@
       }
     },
     "fsevents": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.2.tgz",
-      "integrity": "sha512-iownA+hC4uHFp+7gwP/y5SzaiUo7m2vpa0dhpzw8YuKtiZsz7cIXsFbXpLEeBM6WuCQyw1MH4RRe6XI8GFUctQ==",
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.4.tgz",
+      "integrity": "sha512-z8H8/diyk76B7q5wg+Ud0+CqzcAF3mBBI/bA5ne5zrRUUIvNkJY//D3BqyH571KuAC4Nr7Rw7CjWX4r0y9DvNg==",
       "dev": true,
       "optional": true,
       "requires": {
         "nan": "^2.9.2",
-        "node-pre-gyp": "^0.9.0"
+        "node-pre-gyp": "^0.10.0"
       },
       "dependencies": {
         "abbrev": {
@@ -463,7 +463,7 @@
           }
         },
         "deep-extend": {
-          "version": "0.4.2",
+          "version": "0.5.1",
           "bundled": true,
           "dev": true,
           "optional": true
@@ -641,7 +641,7 @@
           }
         },
         "node-pre-gyp": {
-          "version": "0.9.1",
+          "version": "0.10.0",
           "bundled": true,
           "dev": true,
           "optional": true,
@@ -750,12 +750,12 @@
           "optional": true
         },
         "rc": {
-          "version": "1.2.6",
+          "version": "1.2.7",
           "bundled": true,
           "dev": true,
           "optional": true,
           "requires": {
-            "deep-extend": "~0.4.0",
+            "deep-extend": "^0.5.1",
             "ini": "~1.3.0",
             "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
@@ -1090,6 +1090,12 @@
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
       "dev": true
     },
+    "math-random": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/math-random/-/math-random-1.0.1.tgz",
+      "integrity": "sha1-izqsWIuKZuSXXjzepn97sylgH6w=",
+      "dev": true
+    },
     "memory-fs": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.4.1.tgz",
@@ -1148,9 +1154,9 @@
       }
     },
     "nan": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
-      "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA==",
+      "version": "2.11.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
+      "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==",
       "dev": true,
       "optional": true
     },
@@ -1321,43 +1327,27 @@
       "dev": true
     },
     "randomatic": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.7.tgz",
-      "integrity": "sha512-D5JUjPyJbaJDkuAazpVnSfVkLlpeO3wDlPROTMLGKG1zMFNFRgrciKo1ltz/AzNTkqE0HzDx655QOL51N06how==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-3.1.0.tgz",
+      "integrity": "sha512-KnGPVE0lo2WoXxIZ7cPR8YBpiol4gsSuOwDSg410oHh80ZMp5EiypNqL2K4Z77vJn6lB5rap7IkAmcUlalcnBQ==",
       "dev": true,
       "requires": {
-        "is-number": "^3.0.0",
-        "kind-of": "^4.0.0"
+        "is-number": "^4.0.0",
+        "kind-of": "^6.0.0",
+        "math-random": "^1.0.1"
       },
       "dependencies": {
         "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
         },
         "kind-of": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-4.0.0.tgz",
-          "integrity": "sha1-IIE989cSkosgc3hpGkUGb65y3Vc=",
-          "dev": true,
-          "requires": {
-            "is-buffer": "^1.1.5"
-          }
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "dev": true
         }
       }
     },