diff --git a/package-lock.json b/package-lock.json
index 7b91a40..4b353d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -410,6 +410,21 @@
         "object-visit": "^1.0.0"
       }
     },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
     "combined-stream": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
@@ -479,12 +494,6 @@
         }
       }
     },
-    "css-selector-parser": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/css-selector-parser/-/css-selector-parser-1.3.0.tgz",
-      "integrity": "sha1-XxrUPi2O77/cME/NOaUhZklD4+s=",
-      "dev": true
-    },
     "currently-unhandled": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
@@ -1507,6 +1516,12 @@
         "ansi-regex": "^2.0.0"
       }
     },
+    "has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+      "dev": true
+    },
     "has-unicode": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
@@ -2604,16 +2619,47 @@
       }
     },
     "sass-true": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/sass-true/-/sass-true-4.0.0.tgz",
-      "integrity": "sha512-2CqHkWr+0cRHaMU92r90/84Uwpejy2v5lPUMKGBMCeo0r4KFaRd4jddsxrS3jb8umL9A24FZwbDt0WKGEMfRLQ==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/sass-true/-/sass-true-5.0.0.tgz",
+      "integrity": "sha512-Q2HONu8QJcx8Lsdn8RqSHRGGB0aPlqCpXMDONtuXedaNIecz6QD3NCwkZiR4mprr5ZDiFcZwYT6fHDbyBXmDLQ==",
       "dev": true,
       "requires": {
+        "chalk": "^2.4.2",
         "css": "^2.2.1",
-        "css-selector-parser": "^1.1.0",
         "lodash.find": "^4.6.0",
         "lodash.foreach": "^4.5.0",
         "lodash.last": "^3.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
       }
     },
     "scss-tokenizer": {
diff --git a/package.json b/package.json
index 34ddf66..c62db71 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,6 @@
   "devDependencies": {
     "node-sass": "^4.11.0",
     "sass": "^1.17.0",
-    "sass-true": "^4.0.0"
+    "sass-true": "^5.0.0"
   }
 }