diff --git a/yarn.lock b/yarn.lock
index 41f962e..3682a98 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3,9 +3,9 @@
 
 
 "@slack/bolt@2.x":
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/@slack/bolt/-/bolt-2.5.0.tgz#d6eb06d55b264990848aab47693fb4bcec2fed76"
-  integrity sha512-dOmUgU4Zw8ExNqFcCK2N9StQCfS/ByQULcA+A7VFRFK5eju548lrkCJy6zDGH6peKnUUO1W54c3TbJC0SObrww==
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/@slack/bolt/-/bolt-2.6.1.tgz#529ac58c8bd135b78ac175e50a9768ddaf425250"
+  integrity sha512-sFTlYEzijoKaiBwmdfcLAO/466mzsV2cIYBEUyw5kUvP31169rCT8wiysxed+Qu/c0R5Q8HQDSRWv/n5jRrrug==
   dependencies:
     "@slack/logger" "^2.0.0"
     "@slack/oauth" "^1.4.0"
@@ -14,7 +14,7 @@
     "@types/express" "^4.16.1"
     "@types/node" ">=10"
     "@types/promise.allsettled" "^1.0.3"
-    axios "^0.19.0"
+    axios "^0.21.1"
     express "^4.16.4"
     please-upgrade-node "^3.2.0"
     promise.allsettled "^1.0.2"
@@ -46,15 +46,15 @@
   integrity sha512-tA7GG7Tj479vojfV3AoxbckalA48aK6giGjNtgH6ihpLwTyHE3fIgRrvt8TWfLwW8X8dyu7vgmAsGLRG7hWWOg==
 
 "@slack/web-api@^5.14.0", "@slack/web-api@^5.7.0":
-  version "5.14.0"
-  resolved "https://registry.yarnpkg.com/@slack/web-api/-/web-api-5.14.0.tgz#3c282670f4a5a1d0842b3e1787b46313a3da5d9d"
-  integrity sha512-Kvwb1Xnj4Wbe0aMkHNek3AGm+IINFuU0LzCIm5/sM2wN67SuituXF2OEkHNwM5OsRVXizNLIEPD2dADK82IXqw==
+  version "5.15.0"
+  resolved "https://registry.yarnpkg.com/@slack/web-api/-/web-api-5.15.0.tgz#6bcf1d0a833c0e87e45150c2fd1f9657e3ec0b0b"
+  integrity sha512-tjQ8Zqv/Fmj9SOL9yIEd7IpTiKfKHi9DKAkfRVeotoX0clMr3SqQtBqO+KZMX27gm7dmgJsQaDKlILyzdCO+IA==
   dependencies:
     "@slack/logger" ">=1.0.0 <3.0.0"
     "@slack/types" "^1.7.0"
     "@types/is-stream" "^1.1.0"
     "@types/node" ">=8.9.0"
-    axios "^0.19.0"
+    axios "^0.21.1"
     eventemitter3 "^3.1.0"
     form-data "^2.5.0"
     is-stream "^1.1.0"
@@ -115,9 +115,9 @@
   integrity sha512-Jus9s4CDbqwocc5pOAnh8ShfrnMcPHuJYzVcSUU7lrh8Ni5HuIqX3oilL86p3dlTrk0LzHRCgA/GQ7uNCw6l2Q==
 
 "@types/node@*", "@types/node@>=10", "@types/node@>=6.0.0", "@types/node@>=8.9.0":
-  version "14.14.19"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.19.tgz#5135176a8330b88ece4e9ab1fdcfc0a545b4bab4"
-  integrity sha512-4nhBPStMK04rruRVtVc6cDqhu7S9GZai0fpXgPXrFpcPX6Xul8xnrjSdGB4KPBVYG/R5+fXWdCM8qBoiULWGPQ==
+  version "14.14.20"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.20.tgz#f7974863edd21d1f8a494a73e8e2b3658615c340"
+  integrity sha512-Y93R97Ouif9JEOWPIUyU+eyIdyRqQR0I8Ez1dzku4hDx34NWh4HbtIc3WNzwB1Y9ULvNGeu5B8h8bVL5cAk4/A==
 
 "@types/promise.allsettled@^1.0.3":
   version "1.0.3"
@@ -183,12 +183,12 @@ asynckit@^0.4.0:
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
-axios@^0.19.0:
-  version "0.19.2"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
-  integrity sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==
+axios@^0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
+  integrity sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==
   dependencies:
-    follow-redirects "1.5.10"
+    follow-redirects "^1.10.0"
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -230,12 +230,12 @@ bytes@3.1.0:
   integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
 
 call-bind@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.0.tgz#24127054bb3f9bdcb4b1fb82418186072f77b8ce"
-  integrity sha512-AEXsYIyyDY3MCzbwdhzG3Jx1R0J2wetQyUynn6dYHAO+bg8l1k7jwZtRv4ryryFs7EP+NDlikJlVe59jr0cM2w==
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.1.tgz#29aca9151f8ddcfd5b9b786898f005f425e88567"
+  integrity sha512-tvAvUwNcRikl3RVF20X9lsYmmepsovzTWeJiXjO0PkJp15uy/6xKFZOQtuiSULwYW+6ToZBprphCgWXC2dSgcQ==
   dependencies:
     function-bind "^1.1.1"
-    get-intrinsic "^1.0.0"
+    get-intrinsic "^1.0.2"
 
 combined-stream@^1.0.6:
   version "1.0.8"
@@ -288,13 +288,6 @@ debug@2.6.9:
   dependencies:
     ms "2.0.0"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -471,12 +464,10 @@ finalhandler@~1.1.2:
     statuses "~1.5.0"
     unpipe "~1.0.0"
 
-follow-redirects@1.5.10:
-  version "1.5.10"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
-  integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
-  dependencies:
-    debug "=3.1.0"
+follow-redirects@^1.10.0:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.1.tgz#5f69b813376cee4fd0474a3aba835df04ab763b7"
+  integrity sha512-SSG5xmZh1mkPGyKzjZP8zLjltIfpW32Y5QpdNJyjcfGxK3qo3NDDkZOZSFiGn1A6SclQxY9GzEwAHQ3dmYRWpg==
 
 form-data@^2.5.0:
   version "2.5.1"
@@ -507,7 +498,7 @@ function-bind@^1.1.1:
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
   integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
 
-get-intrinsic@^1.0.0, get-intrinsic@^1.0.1:
+get-intrinsic@^1.0.1, get-intrinsic@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.0.2.tgz#6820da226e50b24894e08859469dc68361545d49"
   integrity sha512-aeX0vrFm21ILl3+JpFFRNe9aUvp6VFZb2/CTbgLb8j75kOhvoNYjt9d8KA/tJG4gSo8nzEDedRl0h7vDmBYRVg==