diff --git a/challenges/2017-05-03-tic-tac-toe/yarn.lock b/challenges/2017-05-03-tic-tac-toe/yarn.lock
index 884a3ea..3007e85 100644
--- a/challenges/2017-05-03-tic-tac-toe/yarn.lock
+++ b/challenges/2017-05-03-tic-tac-toe/yarn.lock
@@ -1466,7 +1466,7 @@ cli-spinners@^0.1.2:
 
 cli-truncate@^0.2.0:
   version "0.2.1"
-  resolved "http://registry.npmjs.org/cli-truncate/-/cli-truncate-0.2.1.tgz#9f15cfbb0705005369216c626ac7d05ab90dd574"
+  resolved "https://registry.npmjs.org/cli-truncate/-/cli-truncate-0.2.1.tgz#9f15cfbb0705005369216c626ac7d05ab90dd574"
   dependencies:
     slice-ansi "0.0.4"
     string-width "^1.0.1"
@@ -1734,7 +1734,7 @@ filled-array@^1.0.0:
 
 find-cache-dir@^0.1.1:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  resolved "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
   dependencies:
     commondir "^1.0.1"
     mkdirp "^0.5.1"
@@ -1932,7 +1932,7 @@ has-color@^0.1.7, has-color@~0.1.0:
 
 has-flag@^2.0.0:
   version "2.0.0"
-  resolved "http://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+  resolved "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
 has-unicode@^2.0.0:
   version "2.0.1"
@@ -2114,7 +2114,7 @@ is-plain-obj@^1.0.0:
 
 is-posix-bracket@^0.1.0:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+  resolved "https://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
 
 is-primitive@^2.0.0:
   version "2.0.0"
@@ -2712,8 +2712,8 @@ punycode@^1.4.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
 qs@~6.3.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.0.tgz#f403b264f23bc01228c74131b407f18d5ea5d442"
+  version "6.3.3"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.3.tgz#645c23bd6def4d552f258f0aadfeea6fd57f5a86"
 
 randomatic@^1.1.3:
   version "1.1.5"