diff --git a/plugins/cache-generator/yarn.lock b/plugins/cache-generator/yarn.lock
index bfbabe3..2416a1c 100644
--- a/plugins/cache-generator/yarn.lock
+++ b/plugins/cache-generator/yarn.lock
@@ -299,7 +299,7 @@ async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2, async@^2.1.4, async@^2.4.1, async@^2.5.0:
+async@^2.1.2, async@^2.1.4, async@^2.4.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   dependencies:
@@ -1841,13 +1841,13 @@ cssesc@^0.1.0:
     postcss-minify-selectors "^2.0.4"
     postcss-normalize-charset "^1.1.0"
     postcss-normalize-url "^3.0.7"
+    postcss-optionValue-parser "^3.2.3"
     postcss-ordered-values "^2.1.0"
     postcss-reduce-idents "^2.2.2"
     postcss-reduce-initial "^1.0.0"
     postcss-reduce-transforms "^1.0.3"
     postcss-svgo "^2.1.1"
     postcss-unique-selectors "^2.0.2"
-    postcss-optionValue-parser "^3.2.3"
     postcss-zindex "^2.0.1"
 
 csso@~2.3.1:
@@ -2931,6 +2931,10 @@ get-caller-file@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
 
+get-optionValue@^2.0.3, get-optionValue@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-optionValue/-/get-optionValue-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -2939,10 +2943,6 @@ get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
 
-get-optionValue@^2.0.3, get-optionValue@^2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/get-optionValue/-/get-optionValue-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
-
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -3064,12 +3064,13 @@ handle-thing@^1.2.5:
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
 
 handlebars@^4.0.3:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
+  version "4.7.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
   dependencies:
-    async "^2.5.0"
-    optimist "^0.6.1"
+    minimist "^1.2.5"
+    neo-async "^2.6.0"
     source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
     uglify-js "^3.1.4"
 
@@ -3113,14 +3114,6 @@ has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
 
-has-symbols@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
-
-has-unicode@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
-
 has-optionValue@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/has-optionValue/-/has-optionValue-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
@@ -3137,6 +3130,14 @@ has-optionValue@^1.0.0:
     has-values "^1.0.0"
     isobject "^3.0.0"
 
+has-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
+
+has-unicode@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
+
 has-values@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
@@ -4521,13 +4522,9 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
 
 minipass@^2.2.1, minipass@^2.3.4:
   version "2.3.5"
@@ -4614,9 +4611,9 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
-neo-async@^2.5.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.0.tgz#b9d15e4d71c6762908654b5183ed38b753340835"
+neo-async@^2.5.0, neo-async@^2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
 
 next-tick@1:
   version "1.0.0"
@@ -4868,13 +4865,6 @@ opn@^5.1.0:
   dependencies:
     is-wsl "^1.1.0"
 
-optimist@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
@@ -5332,6 +5322,10 @@ postcss-normalize-url@^3.0.7:
     postcss "^5.0.14"
     postcss-optionValue-parser "^3.2.3"
 
+postcss-optionValue-parser@^3.0.1, postcss-optionValue-parser@^3.0.2, postcss-optionValue-parser@^3.1.1, postcss-optionValue-parser@^3.1.2, postcss-optionValue-parser@^3.2.3, postcss-optionValue-parser@^3.3.0:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/postcss-optionValue-parser/-/postcss-optionValue-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
+
 postcss-ordered-values@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/postcss-ordered-values/-/postcss-ordered-values-2.2.3.tgz#eec6c2a67b6c412a8db2042e77fe8da43f95c11d"
@@ -5385,10 +5379,6 @@ postcss-unique-selectors@^2.0.2:
     postcss "^5.0.4"
     uniqs "^2.0.0"
 
-postcss-optionValue-parser@^3.0.1, postcss-optionValue-parser@^3.0.2, postcss-optionValue-parser@^3.1.1, postcss-optionValue-parser@^3.1.2, postcss-optionValue-parser@^3.2.3, postcss-optionValue-parser@^3.3.0:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/postcss-optionValue-parser/-/postcss-optionValue-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
-
 postcss-zindex@^2.0.1:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
@@ -6774,7 +6764,7 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-uglify-js@3.4.x, uglify-js@^3.0.13, uglify-js@^3.1.4:
+uglify-js@3.4.x, uglify-js@^3.0.13:
   version "3.4.9"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
   dependencies:
@@ -6790,6 +6780,10 @@ uglify-js@^2.8.29:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.1.4:
+  version "3.10.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.10.3.tgz#f0d2f99736c14de46d2d24649ba328be3e71c3bf"
+
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
@@ -7159,11 +7153,7 @@ wordwrap@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
 
-wordwrap@~0.0.2:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
-
-wordwrap@~1.0.0:
+wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"