diff --git a/yarn.lock b/yarn.lock
index 8840174..da1626b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3,13 +3,13 @@
 
 
 "@slack/bolt@~1":
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/@slack/bolt/-/bolt-1.4.1.tgz#551f62507a356ca9eaac6beb07e9b5caadffc011"
-  integrity sha512-vrk9MA8AvfF2fZnJ8z3EhJj7Ulx1G8Bl2OQGkSV9Z3EEff4eN5tqOK21H6696eYsDMK2MLG7fQ9eLKfA17MC9A==
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@slack/bolt/-/bolt-1.6.0.tgz#a2205c7bfc1e0f8005b39b1077b18b529b685e1b"
+  integrity sha512-BfXZMZDwNOIESmCIvnj7Srpx0IRiLuNtVDDBOso1YAdFCfuANABj/11+Q0/BegHYWZMM8K+iYqMCr7WNhJV8LQ==
   dependencies:
     "@slack/logger" ">=1.0.0 <3.0.0"
-    "@slack/types" "^1.0.0"
-    "@slack/web-api" "^5.0.0"
+    "@slack/types" "^1.2.1"
+    "@slack/web-api" "^5.6.0"
     "@types/express" "^4.16.1"
     "@types/node" ">=10"
     axios "^0.18.1"
@@ -25,75 +25,60 @@
   dependencies:
     "@types/node" ">=8.9.0"
 
-"@slack/logger@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@slack/logger/-/logger-1.0.0.tgz#e529974c7111f8a62d794a79cd807eee1628088b"
-  integrity sha512-QDYhQR/58xKfB5iquvQwfpxPsmKPP/5SuDp8hRhZeUluCHsP1qBCOc3sW2Xb3cydxK0PAEnkLbBJf/ezsGwtlA==
-  dependencies:
-    "@types/node" ">=8.9.0"
+"@slack/types@^1.2.1":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@slack/types/-/types-1.3.0.tgz#ea71916449ce7cb79fc57ce756743abfeba0f752"
+  integrity sha512-3AjHsDJjJKT3q0hQzFHQN7piYIh99LuN7Po56W/R6P/uscqZqwS5xm1U1cTYGIzk8fmsuW7TvWVg0W85hKY/MQ==
 
-"@slack/types@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@slack/types/-/types-1.0.0.tgz#1dc7a63b293c4911e474197585c3feda012df17a"
-  integrity sha512-IktC4uD/CHfLQcSitKSmjmRu4a6+Nf/KzfS6dTgUlDzENhh26l8aESKAuIpvYD5VOOE6NxDDIAdPJOXBvUGxlg==
-
-"@slack/web-api@^5.0.0":
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/@slack/web-api/-/web-api-5.0.1.tgz#f46ecd2dd8b8104144082c079a4f53ec7737f327"
-  integrity sha512-L2Nc8P+NjXH1yqnsNhqxsrbpW3Qv+//9X5PQqcM3bctDmvmwTuhuM1X208RVD2avhnC89aghY5PssyaayWj5sA==
+"@slack/web-api@^5.6.0":
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/@slack/web-api/-/web-api-5.7.0.tgz#173816e26dbae06b749741164f240186a0b44d64"
+  integrity sha512-n3c2S5+fvRJV/FYhdZXPuMrRhnEdF5yPhSXK9ph4xJezNzMbb4OWymrMz7+XVf4qOz30HxN9A6ktV98stOBrhw==
   dependencies:
-    "@slack/logger" "^1.0.0"
-    "@slack/types" "^1.0.0"
-    "@types/form-data" "^2.2.1"
+    "@slack/logger" ">=1.0.0 <3.0.0"
+    "@slack/types" "^1.2.1"
     "@types/is-stream" "^1.1.0"
     "@types/node" ">=8.9.0"
     "@types/p-queue" "^2.3.2"
     axios "^0.18.0"
     eventemitter3 "^3.1.0"
-    form-data "^2.3.3"
+    form-data "^2.5.0"
     is-stream "^1.1.0"
     p-queue "^2.4.2"
     p-retry "^4.0.0"
 
 "@types/body-parser@*":
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.0.tgz#9f5c9d9bd04bb54be32d5eb9fc0d8c974e6cf58c"
-  integrity sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==
+  version "1.17.1"
+  resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.1.tgz#18fcf61768fb5c30ccc508c21d6fd2e8b3bf7897"
+  integrity sha512-RoX2EZjMiFMjZh9lmYrwgoP9RTpAjSHiJxdp4oidAQVO02T7HER3xj9UKue5534ULWeqVEkujhWcyvUce+d68w==
   dependencies:
     "@types/connect" "*"
     "@types/node" "*"
 
 "@types/connect@*":
-  version "3.4.32"
-  resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.32.tgz#aa0e9616b9435ccad02bc52b5b454ffc2c70ba28"
-  integrity sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==
+  version "3.4.33"
+  resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.33.tgz#31610c901eca573b8713c3330abc6e6b9f588546"
+  integrity sha512-2+FrkXY4zllzTNfJth7jOqEHC+enpLeGslEhpnTAkg21GkRrWV4SsAtqchtT4YS9/nODBU2/ZfsBY2X4J/dX7A==
   dependencies:
     "@types/node" "*"
 
 "@types/express-serve-static-core@*":
-  version "4.16.7"
-  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.7.tgz#50ba6f8a691c08a3dd9fa7fba25ef3133d298049"
-  integrity sha512-847KvL8Q1y3TtFLRTXcVakErLJQgdpFSaq+k043xefz9raEf0C7HalpSY7OW5PyjCnY8P7bPW5t/Co9qqp+USg==
+  version "4.17.2"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.2.tgz#f6f41fa35d42e79dbf6610eccbb2637e6008a0cf"
+  integrity sha512-El9yMpctM6tORDAiBwZVLMcxoTMcqqRO9dVyYcn7ycLWbvR8klrDn8CAOwRfZujZtWD7yS/mshTdz43jMOejbg==
   dependencies:
     "@types/node" "*"
     "@types/range-parser" "*"
 
 "@types/express@^4.16.1":
-  version "4.17.0"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.0.tgz#49eaedb209582a86f12ed9b725160f12d04ef287"
-  integrity sha512-CjaMu57cjgjuZbh9DpkloeGxV45CnMGlVd+XpG7Gm9QgVrd7KFq+X4HY0vM+2v0bczS48Wg7bvnMY5TN+Xmcfw==
+  version "4.17.2"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.2.tgz#a0fb7a23d8855bac31bc01d5a58cadd9b2173e6c"
+  integrity sha512-5mHFNyavtLoJmnusB8OKJ5bshSzw+qkMIBAobLrIM48HJvunFva9mOa6aBwh64lBFyNwBbs0xiEFuj4eU/NjCA==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "*"
     "@types/serve-static" "*"
 
-"@types/form-data@^2.2.1":
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/@types/form-data/-/form-data-2.5.0.tgz#5025f7433016f923348434c40006d9a797c1b0e8"
-  integrity sha512-23/wYiuckYYtFpL+4RPWiWmRQH2BjFuqCUi2+N3amB1a1Drv+i/byTrGvlLwRVLFNAZbwpbQ7JvTK+VCAPMbcg==
-  dependencies:
-    form-data "*"
-
 "@types/is-stream@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/is-stream/-/is-stream-1.1.0.tgz#b84d7bb207a210f2af9bed431dc0fbe9c4143be1"
@@ -107,9 +92,9 @@
   integrity sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==
 
 "@types/node@*", "@types/node@>=10", "@types/node@>=8.9.0":
-  version "12.6.8"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.8.tgz#e469b4bf9d1c9832aee4907ba8a051494357c12c"
-  integrity sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==
+  version "13.7.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-13.7.0.tgz#b417deda18cf8400f278733499ad5547ed1abec4"
+  integrity sha512-GnZbirvmqZUzMgkFn70c74OQpTTUcCzlhQliTzYjQMqg+hVKcDnxdL19Ne3UdYzdMA/+W3eb646FWn/ZaT1NfQ==
 
 "@types/p-queue@^2.3.2":
   version "2.3.2"
@@ -127,9 +112,9 @@
   integrity sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA==
 
 "@types/serve-static@*":
-  version "1.13.2"
-  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.2.tgz#f5ac4d7a6420a99a6a45af4719f4dcd8cd907a48"
-  integrity sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==
+  version "1.13.3"
+  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.3.tgz#eb7e1c41c4468272557e897e9171ded5e2ded9d1"
+  integrity sha512-oprSwp094zOglVrXdlo/4bAHtKTAxX6VT8FOZlBKrmyLbNvE1zxZyJ6yikMVtHIvwP45+ZQGJn+FdXGKTozq0g==
   dependencies:
     "@types/express-serve-static-core" "*"
     "@types/mime" "*"
@@ -360,10 +345,10 @@ follow-redirects@1.5.10:
   dependencies:
     debug "=3.1.0"
 
-form-data@*, form-data@^2.3.3:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.0.tgz#094ec359dc4b55e7d62e0db4acd76e89fe874d37"
-  integrity sha512-WXieX3G/8side6VIqx44ablyULoGruSde5PNTxoUyo5CeyAMX6nVWUd0rgist/EuX655cjhUhTo1Fo3tRYqbcA==
+form-data@^2.5.0:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.1.tgz#f2cbec57b5e59e23716e128fe44d4e5dd23895f4"
+  integrity sha512-m21N3WOmEEURgk6B9GLOE4RuWOFf28Lhh9qGYeNlGq4VDXUlJy2th2slBNU8Gp8EzloYZOibZJ7t5ecIrFSjVA==
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.6"
@@ -461,9 +446,9 @@ ipaddr.js@1.9.0:
   integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
 
 is-buffer@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
-  integrity sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.4.tgz#3e572f23c8411a5cfd9557c849e3665e0b290623"
+  integrity sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==
 
 is-stream@^1.1.0:
   version "1.1.0"
@@ -499,17 +484,17 @@ methods@~1.1.2:
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
-mime-db@1.40.0:
-  version "1.40.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.40.0.tgz#a65057e998db090f732a68f6c276d387d4126c32"
-  integrity sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA==
+mime-db@1.43.0:
+  version "1.43.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
+  integrity sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==
 
 mime-types@^2.1.12, mime-types@~2.1.24:
-  version "2.1.24"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.24.tgz#b6f8d0b3e951efb77dedeca194cff6d16f676f81"
-  integrity sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==
+  version "2.1.26"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.26.tgz#9c921fc09b7e149a65dfdc0da4d20997200b0a06"
+  integrity sha512-01paPWYgLrkqAyrlDorC1uDwl2p3qZT7yl806vW7DvDoxwXi46jsjFbg+WdwotBIk6/MbEhO/dh5aZ5sNj/dWQ==
   dependencies:
-    mime-db "1.40.0"
+    mime-db "1.43.0"
 
 mime@1.6.0:
   version "1.6.0"
@@ -563,9 +548,9 @@ p-queue@^2.4.2:
   integrity sha512-n8/y+yDJwBjoLQe1GSJbbaYQLTI7QHNZI2+rpmCDbe++WLf9HC3gf6iqj5yfPAV71W4UF3ql5W1+UBPXoXTxng==
 
 p-retry@^4.0.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/p-retry/-/p-retry-4.1.0.tgz#9ce7cef2069e84bf590df3b8ec18d740109338d6"
-  integrity sha512-oepllyG9gX1qH4Sm20YAKxg1GA7L7puhvGnTfimi31P07zSIj7SDV6YtuAx9nbJF51DES+2CIIRkXs8GKqWJxA==
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/p-retry/-/p-retry-4.2.0.tgz#ea9066c6b44f23cab4cd42f6147cdbbc6604da5d"
+  integrity sha512-jPH38/MRh263KKcq0wBNOGFJbm+U6784RilTmHjB/HM9kH9V8WlCpVUcdOmip9cjXOh6MxZ5yk1z2SjDUJfWmA==
   dependencies:
     "@types/retry" "^0.12.0"
     retry "^0.12.0"