diff --git a/package-lock.json b/package-lock.json
index 0e6efe4..decf069 100644
--- a/package-lock.json
+++ b/package-lock.json
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             "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
-            "dev": true
+            "dev": true,
+            "optional": true
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         "trim-repeated": {
             "version": "1.0.0",
@@ -12091,15 +11404,6 @@
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-        "true-case-path": {
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-            "resolved": "https://registry.npmjs.org/true-case-path/-/true-case-path-1.0.3.tgz",
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-            "dev": true,
-            "requires": {
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@@ -12156,16 +11460,11 @@
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             "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
             "dev": true,
+            "optional": true,
             "requires": {
                 "safe-buffer": "^5.0.1"
             }
         },
-        "tweetnacl": {
-            "version": "0.14.5",
-            "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-            "dev": true
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             "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
@@ -12353,23 +11652,6 @@
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             "dev": true
         },
-        "uri-js": {
-            "version": "4.4.1",
-            "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
-            "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-            "dev": true,
-            "requires": {
-                "punycode": "^2.1.0"
-            },
-            "dependencies": {
-                "punycode": {
-                    "version": "2.1.1",
-                    "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-                    "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
-                    "dev": true
-                }
-            }
-        },
         "urix": {
             "version": "0.1.0",
             "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -12486,17 +11768,6 @@
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             "dev": true
         },
-        "verror": {
-            "version": "1.10.0",
-            "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-            "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-            "dev": true,
-            "requires": {
-                "assert-plus": "^1.0.0",
-                "core-util-is": "1.0.2",
-                "extsprintf": "^1.2.0"
-            }
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         "vinyl": {
             "version": "2.2.0",
             "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.0.tgz",
@@ -12632,15 +11903,6 @@
                 "is-typed-array": "^1.1.3"
             }
         },
-        "wide-align": {
-            "version": "1.1.3",
-            "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-            "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
-            "dev": true,
-            "requires": {
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         "wrap-ansi": {
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             "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -12673,7 +11935,8 @@
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             "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "yaml": {
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diff --git a/package.json b/package.json
index f872b18..d970464 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
         "gulp-postcss": "^9.0.0",
         "gulp-rename": "^2.0.0",
         "gulp-replace": "^1.1.3",
-        "gulp-sass": "^4.1.1",
+        "gulp-sass": "^5.0.0",
         "gulp-size": "^4.0.1",
         "gulp-sourcemaps": "^3.0.0",
         "gulp-terser": "^2.0.1",