diff --git a/package.json b/package.json
index ca03b8b..b26aa5b 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "bot-tester": "3.4.2",
     "ts-jest": "22.0.2",
     "ts-node": "4.1.0",
-    "tslint": "5.9.1",
+    "tslint": "5.20.1",
     "typescript": "2.7.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index cf8d82e..22d1fbc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -38,6 +38,12 @@
     imurmurhash "^0.1.4"
     slide "^1.1.5"
 
+"@babel/code-frame@^7.0.0":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.5.5.tgz#bc0782f6d69f7b7d49531219699b988f669a8f9d"
+  dependencies:
+    "@babel/highlight" "^7.0.0"
+
 "@babel/code-frame@^7.0.0-beta.35":
   version "7.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.37.tgz#2da1dd3b1b57bfdea777ddc378df7cd12fe40171"
@@ -46,6 +52,14 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
+"@babel/highlight@^7.0.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.5.0.tgz#56d11312bd9248fa619591d02472be6e8cb32540"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^4.0.0"
+
 "@concordance/react@^1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@concordance/react/-/react-1.0.0.tgz#fcf3cad020e5121bfd1c61d05bc3516aac25f734"
@@ -405,7 +419,7 @@ aws4@^1.2.1, aws4@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
+babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
@@ -1329,6 +1343,10 @@ diff@^3.1.0, diff@^3.2.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.0.tgz#056695150d7aa93237ca7e378ac3b1682b7963b9"
 
+diff@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.1.tgz#0c667cb467ebbb5cea7f14f135cc2dba7780a8ff"
+
 dom-walk@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
@@ -2552,6 +2570,10 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+
 js-yaml@^3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
@@ -2559,6 +2581,13 @@ js-yaml@^3.10.0:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^3.13.1:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 js-yaml@^3.7.0:
   version "3.9.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.9.1.tgz#08775cebdfdd359209f0d2acd383c8f86a6904a0"
@@ -4161,28 +4190,33 @@ tslib@^1.8.0:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
 
-tslint@5.9.1:
-  version "5.9.1"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.9.1.tgz#1255f87a3ff57eb0b0e1f0e610a8b4748046c9ae"
+tslib@^1.8.1:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
+
+tslint@5.20.1:
+  version "5.20.1"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.20.1.tgz#e401e8aeda0152bc44dd07e614034f3f80c67b7d"
   dependencies:
-    babel-code-frame "^6.22.0"
+    "@babel/code-frame" "^7.0.0"
     builtin-modules "^1.1.1"
     chalk "^2.3.0"
     commander "^2.12.1"
-    diff "^3.2.0"
+    diff "^4.0.1"
     glob "^7.1.1"
-    js-yaml "^3.7.0"
+    js-yaml "^3.13.1"
     minimatch "^3.0.4"
+    mkdirp "^0.5.1"
     resolve "^1.3.2"
     semver "^5.3.0"
     tslib "^1.8.0"
-    tsutils "^2.12.1"
+    tsutils "^2.29.0"
 
-tsutils@^2.12.1:
-  version "2.14.0"
-  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.14.0.tgz#bc5291622aa2448c1baffc544bcc14ecfa528fb7"
+tsutils@^2.29.0:
+  version "2.29.0"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"
   dependencies:
-    tslib "^1.8.0"
+    tslib "^1.8.1"
 
 tunnel-agent@^0.6.0:
   version "0.6.0"