diff --git a/package.json b/package.json
index 077bcdd..2d489c0 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "@ronilaukkarinen/gulp-stylelint": "~14.1.1",
     "browserslist": "~4.21.5",
     "bulma": "~0.9.4",
-    "cssnano": "~6.0.0",
+    "cssnano": "~6.0.1",
     "eslint": "~8.39.0",
     "eslint-config-standard": "~17.0.0",
     "eslint-plugin-compat": "~4.1.4",
diff --git a/yarn.lock b/yarn.lock
index f49c469..f24e842 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1592,14 +1592,14 @@ 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@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-6.0.0.tgz#058726536bdc18711c01b1d328766cbc5691cf71"
-  integrity sha512-BDxlaFzObRDXUiCCBQUNQcI+f1/aX2mgoNtXGjV6PG64POcHoDUoX+LgMWw+Q4609QhxwkcSnS65YFs42RA6qQ==
+cssnano-preset-default@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-6.0.1.tgz#2a93247140d214ddb9f46bc6a3562fa9177fe301"
+  integrity sha512-7VzyFZ5zEB1+l1nToKyrRkuaJIx0zi/1npjvZfbBwbtNTzhLtlvYraK/7/uqmX2Wb2aQtd983uuGw79jAjLSuQ==
   dependencies:
     css-declaration-sorter "^6.3.1"
     cssnano-utils "^4.0.0"
-    postcss-calc "^8.2.3"
+    postcss-calc "^9.0.0"
     postcss-colormin "^6.0.0"
     postcss-convert-values "^6.0.0"
     postcss-discard-comments "^6.0.0"
@@ -1607,7 +1607,7 @@ cssnano-preset-default@^6.0.0:
     postcss-discard-empty "^6.0.0"
     postcss-discard-overridden "^6.0.0"
     postcss-merge-longhand "^6.0.0"
-    postcss-merge-rules "^6.0.0"
+    postcss-merge-rules "^6.0.1"
     postcss-minify-font-values "^6.0.0"
     postcss-minify-gradients "^6.0.0"
     postcss-minify-params "^6.0.0"
@@ -1632,12 +1632,12 @@ cssnano-utils@^4.0.0:
   resolved "https://registry.yarnpkg.com/cssnano-utils/-/cssnano-utils-4.0.0.tgz#d1da885ec04003ab19505ff0e62e029708d36b08"
   integrity sha512-Z39TLP+1E0KUcd7LGyF4qMfu8ZufI0rDzhdyAMsa/8UyNUU8wpS0fhdBxbQbv32r64ea00h4878gommRVg2BHw==
 
-cssnano@~6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-6.0.0.tgz#53f4cb81101cccba0809fad779f006b5d44925ee"
-  integrity sha512-RGlcbzGhzEBCHuQe3k+Udyj5M00z0pm9S+VurHXFEOXxH+y0sVrJH2sMzoyz2d8N1EScazg+DVvmgyx0lurwwA==
+cssnano@~6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-6.0.1.tgz#87c38c4cd47049c735ab756d7e77ac3ca855c008"
+  integrity sha512-fVO1JdJ0LSdIGJq68eIxOqFpIJrZqXUsBt8fkrBcztCQqAjQD51OhZp7tc0ImcbwXD4k7ny84QTV90nZhmqbkg==
   dependencies:
-    cssnano-preset-default "^6.0.0"
+    cssnano-preset-default "^6.0.1"
     lilconfig "^2.1.0"
 
 csso@^5.0.5:
@@ -4586,12 +4586,12 @@ postcss-attribute-case-insensitive@^6.0.2:
   dependencies:
     postcss-selector-parser "^6.0.10"
 
-postcss-calc@^8.2.3:
-  version "8.2.4"
-  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-8.2.4.tgz#77b9c29bfcbe8a07ff6693dc87050828889739a5"
-  integrity sha512-SmWMSJmB8MRnnULldx0lQIyhSNvuDl9HfrZkaqqE/WHAhToYsAvDq+yAsA/kIyINDszOp3Rh0GFoNuH5Ypsm3Q==
+postcss-calc@^9.0.0:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-9.0.1.tgz#a744fd592438a93d6de0f1434c572670361eb6c6"
+  integrity sha512-TipgjGyzP5QzEhsOZUaIkeO5mKeMFpebWzRogWG/ysonUlnHcq5aJe0jOjpfzUU8PeSaBQnrE8ehR0QA5vs8PQ==
   dependencies:
-    postcss-selector-parser "^6.0.9"
+    postcss-selector-parser "^6.0.11"
     postcss-value-parser "^4.2.0"
 
 postcss-clamp@^4.1.0:
@@ -4779,10 +4779,10 @@ postcss-merge-longhand@^6.0.0:
     postcss-value-parser "^4.2.0"
     stylehacks "^6.0.0"
 
-postcss-merge-rules@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-6.0.0.tgz#0d95bc73541156b8b4e763bd0de2c3f9d0ecf013"
-  integrity sha512-rCXkklftzEkniyv3f4mRCQzxD6oE4Quyh61uyWTUbCJ26Pv2hoz+fivJSsSBWxDBeScR4fKCfF3HHTcD7Ybqnw==
+postcss-merge-rules@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-6.0.1.tgz#39f165746404e646c0f5c510222ccde4824a86aa"
+  integrity sha512-a4tlmJIQo9SCjcfiCcCMg/ZCEe0XTkl/xK0XHBs955GWg9xDX3NwP9pwZ78QUOWB8/0XCjZeJn98Dae0zg6AAw==
   dependencies:
     browserslist "^4.21.4"
     caniuse-api "^3.0.0"
@@ -5033,7 +5033,7 @@ postcss-selector-not@^7.0.1:
   dependencies:
     postcss-selector-parser "^6.0.10"
 
-postcss-selector-parser@^6.0.10, postcss-selector-parser@^6.0.11, postcss-selector-parser@^6.0.4, postcss-selector-parser@^6.0.5, postcss-selector-parser@^6.0.9:
+postcss-selector-parser@^6.0.10, postcss-selector-parser@^6.0.11, postcss-selector-parser@^6.0.4, postcss-selector-parser@^6.0.5:
   version "6.0.11"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.11.tgz#2e41dc39b7ad74046e1615185185cd0b17d0c8dc"
   integrity sha512-zbARubNdogI9j7WY4nQJBiNqQf3sLS3wCP4WfOidu+p28LofJqDH1tcXypGrcmMHhDk2t9wGhCsYe/+szLTy1g==