diff --git a/package.json b/package.json
index 015a647d..5958f37e 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "codelyzer": "^5.0.1",
     "cucumber": "~6.0.0",
     "gh-pages": "~2.1.0",
-    "http-server": "~0.11.0",
+    "http-server": "~0.13.0",
     "jasmine-core": "~3.5.0",
     "jasmine-spec-reporter": "~4.2.0",
     "karma": "~4.4.0",
diff --git a/yarn.lock b/yarn.lock
index f35b5029..0932478b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1690,6 +1690,11 @@ base@^0.11.1:
     mixin-deep "^1.2.0"
     pascalcase "^0.1.1"
 
+basic-auth@^1.0.3:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-1.1.0.tgz#45221ee429f7ee1e5035be3f51533f1cdfd29884"
+  integrity sha1-RSIe5Cn37h5QNb4/UVM/HN/SmIQ=
+
 batch@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
@@ -2137,6 +2142,14 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
+call-bind@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 callsite@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
@@ -2459,11 +2472,6 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
-colors@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
-  integrity sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=
-
 colors@1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
@@ -2474,6 +2482,11 @@ colors@^1.1.0, colors@^1.1.2:
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.3.3.tgz#39e005d546afe01e01f9c4ca8fa50f686a01205d"
   integrity sha512-mmGt/1pZqYRjMxB1axhTo16/snVZ5krrKkcmMeVKxzECMMXoCgnvTPp10QgHfcbQZw8Dq2jMNG6je4JlWU0gWg==
 
+colors@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.4.0.tgz#c50491479d4c1bdaed2c9ced32cf7c7dc2360f78"
+  integrity sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.7.tgz#2d1d24317afb8abe95d6d2c0b07b57813539d828"
@@ -2888,7 +2901,7 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
-corser@~2.0.0:
+corser@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/corser/-/corser-2.0.1.tgz#8eda252ecaab5840dcd975ceb90d9370c819ff87"
   integrity sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=
@@ -3120,6 +3133,13 @@ debug@^3.0.0, debug@^3.1.0, debug@^3.2.5:
   dependencies:
     ms "^2.1.1"
 
+debug@^3.1.1:
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
+  integrity sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==
+  dependencies:
+    ms "^2.1.1"
+
 debuglog@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debuglog/-/debuglog-1.0.1.tgz#aa24ffb9ac3df9a2351837cfb2d279360cd78492"
@@ -3419,16 +3439,6 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
-ecstatic@^3.0.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-3.3.0.tgz#91cd417d152abf85b37b1ab3ebf3bd25cdc64e80"
-  integrity sha512-EblWYTd+wPIAMQ0U4oYJZ7QBypT9ZUIwpqli0bKDjeIIQnXDBK2dXtZ9yzRCOlkW1HkO8gn7/FxLK1yPIW17pw==
-  dependencies:
-    he "^1.1.1"
-    mime "^1.6.0"
-    minimist "^1.1.0"
-    url-join "^2.0.5"
-
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
@@ -3716,6 +3726,11 @@ eventemitter3@^3.0.0:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.0.tgz#090b4d6cdbd645ed10bf750d4b5407942d7ba163"
   integrity sha512-ivIvhpq/Y0uSjcHDcOIccjmYjGLcP09MFGE7ysAwkAvkXfpZlC985pH2/ui64DKazbTW/4kN3yqozUxlXzI6cA==
 
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
+  integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
+
 events@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/events/-/events-3.0.0.tgz#9a0a0dfaf62893d92b875b8f2698ca4114973e88"
@@ -4194,6 +4209,15 @@ get-func-name@^2.0.0:
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
   integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
 
+get-intrinsic@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  integrity sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 get-pkg-repo@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/get-pkg-repo/-/get-pkg-repo-1.4.0.tgz#c73b489c06d80cc5536c2c853f9e05232056972d"
@@ -4449,6 +4473,11 @@ has-symbols@^1.0.0:
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
   integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
 
+has-symbols@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
+  integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -4508,7 +4537,7 @@ hash.js@^1.0.0, hash.js@^1.0.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
 
-he@^1.1.1:
+he@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
@@ -4615,7 +4644,7 @@ http-proxy@1.15.2:
     eventemitter3 "1.x.x"
     requires-port "1.x.x"
 
-http-proxy@^1.13.0, http-proxy@^1.17.0, http-proxy@^1.8.1:
+http-proxy@^1.13.0, http-proxy@^1.17.0:
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.17.0.tgz#7ad38494658f84605e2f6db4436df410f4e5be9a"
   integrity sha512-Taqn+3nNvYRfJ3bGvKfBSRwy1v6eePlm3oc/aWVxZp57DQr5Eq3xhKJi7Z4hZpS8PC3H4qI+Yly5EmFacGuA/g==
@@ -4624,19 +4653,32 @@ http-proxy@^1.13.0, http-proxy@^1.17.0, http-proxy@^1.8.1:
     follow-redirects "^1.0.0"
     requires-port "^1.0.0"
 
-http-server@~0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/http-server/-/http-server-0.11.1.tgz#2302a56a6ffef7f9abea0147d838a5e9b6b6a79b"
-  integrity sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==
-  dependencies:
-    colors "1.0.3"
-    corser "~2.0.0"
-    ecstatic "^3.0.0"
-    http-proxy "^1.8.1"
-    opener "~1.4.0"
-    optimist "0.6.x"
-    portfinder "^1.0.13"
-    union "~0.4.3"
+http-proxy@^1.18.0:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
+  integrity sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==
+  dependencies:
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
+
+http-server@~0.13.0:
+  version "0.13.0"
+  resolved "https://registry.yarnpkg.com/http-server/-/http-server-0.13.0.tgz#ae7d9b718fbe88b7fb19360fcc2ae21e71d257da"
+  integrity sha512-/MjH9k/y470zbtXzKLkP8vioIVvxRArTkz8f9UX1ztkLZzr6S0hg6BW8h6MBn/HUfwjlTQvIe9DRknorN2u20Q==
+  dependencies:
+    basic-auth "^1.0.3"
+    colors "^1.4.0"
+    corser "^2.0.1"
+    he "^1.1.0"
+    http-proxy "^1.18.0"
+    mime "^1.6.0"
+    minimist "^1.2.5"
+    opener "^1.5.1"
+    portfinder "^1.0.25"
+    secure-compare "3.0.1"
+    union "~0.5.0"
+    url-join "^2.0.5"
 
 http-signature@~1.2.0:
   version "1.2.0"
@@ -6106,11 +6148,16 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
+minimist@1.2.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
@@ -6167,6 +6214,13 @@ mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
 modify-values@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/modify-values/-/modify-values-1.0.1.tgz#b3939fa605546474e3e3e3c63d64bd43b4ee6022"
@@ -6526,6 +6580,11 @@ object-inspect@^1.6.0:
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
   integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
 
+object-inspect@^1.9.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.11.0.tgz#9dceb146cedd4148a0d9e51ab88d34cf509922b1"
+  integrity sha512-jp7ikS6Sd3GxQfZJPyH3cjcbJF6GZPClgdV+EFygjFLQ5FmW/dRUnTd9PQ9k0JhoNDabWFbpF1yCdSWCC6gexg==
+
 object-keys@^1.0.11, object-keys@^1.0.12, object-keys@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
@@ -6606,10 +6665,10 @@ open@6.4.0:
   dependencies:
     is-wsl "^1.1.0"
 
-opener@~1.4.0:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/opener/-/opener-1.4.3.tgz#5c6da2c5d7e5831e8ffa3964950f8d6674ac90b8"
-  integrity sha1-XG2ixdflgx6P+jlklQ+NZnSskLg=
+opener@^1.5.1:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.2.tgz#5d37e1f35077b9dcac4301372271afdeb2a13598"
+  integrity sha512-ur5UIdyw5Y7yEj9wLzhqXiy6GZ3Mwx0yGI+5sMn2r0N0v3cKJvUmFH5yPP+WXh9e0xfyzyJX95D8l088DNFj7A==
 
 openurl@1.1.1:
   version "1.1.1"
@@ -6630,7 +6689,7 @@ opn@^5.5.0:
   dependencies:
     is-wsl "^1.1.0"
 
-optimist@0.6.x, optimist@^0.6.1, optimist@~0.6.0:
+optimist@^0.6.1, optimist@~0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
   integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
@@ -7019,15 +7078,6 @@ pkg-dir@^4.1.0:
   dependencies:
     find-up "^4.0.0"
 
-portfinder@^1.0.13:
-  version "1.0.20"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.20.tgz#bea68632e54b2e13ab7b0c4775e9b41bf270e44a"
-  integrity sha512-Yxe4mTyDzTd59PZJY4ojZR8F+E5e97iq2ZOHPz3HDgSvYC5siNad2tLooQ5y5QHyQhc3xVqvyk/eNA3wuoa7Sw==
-  dependencies:
-    async "^1.5.2"
-    debug "^2.2.0"
-    mkdirp "0.5.x"
-
 portfinder@^1.0.21:
   version "1.0.24"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.24.tgz#11efbc6865f12f37624b6531ead1d809ed965cfa"
@@ -7037,6 +7087,15 @@ portfinder@^1.0.21:
     debug "^2.2.0"
     mkdirp "0.5.x"
 
+portfinder@^1.0.25:
+  version "1.0.28"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
+  integrity sha512-Se+2isanIcEqf2XMHjyUKskczxbPH7dQnlMjXX6+dybayyHvAf/TCgyMRlzf/B6QDhAEFOGes0pzRo3by4AbMA==
+  dependencies:
+    async "^2.6.2"
+    debug "^3.1.1"
+    mkdirp "^0.5.5"
+
 portscanner@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/portscanner/-/portscanner-2.1.1.tgz#eabb409e4de24950f5a2a516d35ae769343fbb96"
@@ -7308,10 +7367,12 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
-qs@~2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-2.3.3.tgz#e9e85adbe75da0bbe4c8e0476a086290f863b404"
-  integrity sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=
+qs@^6.4.0:
+  version "6.10.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.10.1.tgz#4931482fa8d647a5aab799c5271d2133b981fb6a"
+  integrity sha512-M528Hph6wsSVOBiYUnGf+K/7w0hNshs/duGsNXPUCLH5XAqjEtiPGwNONLV0tBH8NoGb0mvD5JubnUTrujKDTg==
+  dependencies:
+    side-channel "^1.0.4"
 
 query-string@^4.1.0:
   version "4.3.4"
@@ -7910,6 +7971,11 @@ schema-utils@^2.0.0, schema-utils@^2.0.1:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
 
+secure-compare@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/secure-compare/-/secure-compare-3.0.1.tgz#f1a0329b308b221fae37b9974f3d578d0ca999e3"
+  integrity sha1-8aAymzCLIh+uN7mXTz1XjQypmeM=
+
 seed-random@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/seed-random/-/seed-random-2.2.0.tgz#2a9b19e250a817099231a5b99a4daf80b7fbed54"
@@ -8116,6 +8182,15 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
+side-channel@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/side-channel/-/side-channel-1.0.4.tgz#efce5c8fdc104ee751b25c58d4290011fa5ea2cf"
+  integrity sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==
+  dependencies:
+    call-bind "^1.0.0"
+    get-intrinsic "^1.0.2"
+    object-inspect "^1.9.0"
+
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -9217,12 +9292,12 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^0.4.3"
 
-union@~0.4.3:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/union/-/union-0.4.6.tgz#198fbdaeba254e788b0efcb630bc11f24a2959e0"
-  integrity sha1-GY+9rrolTniLDvy2MLwR8kopWeA=
+union@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/union/-/union-0.5.0.tgz#b2c11be84f60538537b846edb9ba266ba0090075"
+  integrity sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==
   dependencies:
-    qs "~2.3.3"
+    qs "^6.4.0"
 
 unique-filename@^1.1.1:
   version "1.1.1"