diff --git a/package.json b/package.json
index 3d884b58..9a75e801 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "devDependencies": {
         "autoprefixer": "10.2.5",
         "beeper": "2.1.0",
-        "cssnano": "5.0.3",
+        "cssnano": "5.0.4",
         "gscan": "4.0.2",
         "gulp": "4.0.2",
         "gulp-livereload": "4.0.2",
diff --git a/yarn.lock b/yarn.lock
index d0474ff1..8ff22837 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -984,10 +984,10 @@ color-support@^1.1.3:
   resolved "https://registry.yarnpkg.com/color-support/-/color-support-1.1.3.tgz#93834379a1cc9a0c61f82f52f0d04322251bd5a2"
   integrity sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==
 
-colord@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/colord/-/colord-1.7.0.tgz#2d2b3df19ebe81d72e626c5604e8e3e5867bb5d8"
-  integrity sha512-/9I83NehU/HvAKGTSEZrFFEubYHknzGMpSDOee2JBTqk42qbYd+EOKfN22gmh7kysTwdpNfbJGgfUiqGkLul0A==
+colord@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/colord/-/colord-2.0.0.tgz#f8c19f2526b7dc5b22d6e57ef102f03a2a43a3d8"
+  integrity sha512-WMDFJfoY3wqPZNpKUFdse3HhD5BHCbE9JCdxRzoVH+ywRITGOeWAHNkGEmyxLlErEpN9OLMWgdM9dWQtDk5dog==
 
 colorette@^1.2.1, colorette@^1.2.2:
   version "1.2.2"
@@ -1207,15 +1207,15 @@ cssesc@^3.0.0:
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
   integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
-cssnano-preset-default@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-5.1.0.tgz#3ff4a1c102f72c7976580ce7f1c52325dc4628ed"
-  integrity sha512-VTO0WAlrEsU0u+A4RwALRs5zSVnD23WgYO8Np3HowBMZTqWIP1GvIWWzs9zZmjNgeL8U+70megRZymb+1yGg/w==
+cssnano-preset-default@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-5.1.1.tgz#5cd783caed942cc94159aeb10583af4691445b8c"
+  integrity sha512-kAhR71Tascmnjlhl4UegGA3KGGbMLXHkkqVpA9idsRT1JmIhIsz1C3tDpBeQMUw5EX5Rfb1HGc/PRqD2AFk3Vg==
   dependencies:
     css-declaration-sorter "^6.0.3"
     cssnano-utils "^2.0.1"
     postcss-calc "^8.0.0"
-    postcss-colormin "^5.1.0"
+    postcss-colormin "^5.1.1"
     postcss-convert-values "^5.0.1"
     postcss-discard-comments "^5.0.1"
     postcss-discard-duplicates "^5.0.1"
@@ -1247,13 +1247,13 @@ cssnano-utils@^2.0.1:
   resolved "https://registry.yarnpkg.com/cssnano-utils/-/cssnano-utils-2.0.1.tgz#8660aa2b37ed869d2e2f22918196a9a8b6498ce2"
   integrity sha512-i8vLRZTnEH9ubIyfdZCAdIdgnHAUeQeByEeQ2I7oTilvP9oHO6RScpeq3GsFUVqeB8uZgOQ9pw8utofNn32hhQ==
 
-cssnano@5.0.3:
-  version "5.0.3"
-  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.0.3.tgz#3ae26411a176168e7a0ef425f4691579e1aed12a"
-  integrity sha512-Ga/a+IA6U0F9+MNmqrXgwn1A3btY5jFkla2iurL7i9PTmQmMu2Kc99W9a8KSxT8iLV0aoI+Q5Q9i3SpVAVNnrQ==
+cssnano@5.0.4:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.0.4.tgz#5ca90729c94c71c4bc3d45abb543be10740bf381"
+  integrity sha512-I+fDW74CJ4yb31765ov9xXe70XLZvFTXjwhmA//VgAAuSAU34Oblbe94Q9zffiCX1VhcSfQWARQnwhz+Nqgb4Q==
   dependencies:
     cosmiconfig "^7.0.0"
-    cssnano-preset-default "^5.1.0"
+    cssnano-preset-default "^5.1.1"
     is-resolvable "^1.1.0"
 
 csso@^4.2.0:
@@ -3936,13 +3936,13 @@ postcss-color-mod-function@3.0.3:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-colormin@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-5.1.0.tgz#686da694e5e638eac141364e150eb936b3a8e79f"
-  integrity sha512-5s+VNfQ5CsR6yvBc6Tc8NK9cxb/c8sA547zy+8ofL04gs/GygmOcVZt2s6jJn7TvntAw0Bp6MDpq4bd51EPwdw==
+postcss-colormin@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-5.1.1.tgz#834d262f6021f832d9085e355f08ade288a92a1d"
+  integrity sha512-SyTmqKKN6PyYNeeKEC0hqIP5CDuprO1hHurdW1aezDyfofDUOn7y7MaxcolbsW3oazPwFiGiY30XRiW1V4iZpA==
   dependencies:
     browserslist "^4.16.0"
-    colord "^1.7.0"
+    colord "^2.0.0"
     postcss-value-parser "^4.1.0"
 
 postcss-convert-values@^5.0.1: