diff --git a/package.json b/package.json
index ecd49c94..57b5b34b 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "postcss-cli": "6.0.0",
     "prettier": "1.14.3",
     "pretty-bytes-cli": "2.0.0",
-    "semver": "5.5.1",
+    "semver": "5.6.0",
     "sinon": "6.3.5",
     "uglify-js": "3.4.9",
     "webpack": "3.12.0",
diff --git a/yarn.lock b/yarn.lock
index f5613229..290060f7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6652,9 +6652,9 @@ semver-diff@^2.0.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
-semver@5.5.1:
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
+semver@5.6.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
 
 semver@~5.3.0:
   version "5.3.0"