diff --git a/package.json b/package.json
index 7effe5b316..e54a502aae 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "@tryghost/security": "0.2.13",
     "@tryghost/session-service": "0.1.28",
     "@tryghost/social-urls": "0.1.26",
-    "@tryghost/string": "0.1.20",
+    "@tryghost/string": "0.1.21",
     "@tryghost/tpl": "0.1.8",
     "@tryghost/update-check-service": "0.2.5",
     "@tryghost/url-utils": "2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 431f8e56d3..c1e71c9049 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1786,7 +1786,14 @@
   resolved "https://registry.yarnpkg.com/@tryghost/social-urls/-/social-urls-0.1.26.tgz#dfacc38cf187d9f6733155e6408329ef54210c72"
   integrity sha512-gwh8W2tlaaKwxrQSNvvnJTUUOVyDQQ4DR+ukEgVBwKbU5m7BePACf/0iuLY3PZ3mvZyzaQ3Jc3IWQHd/FDglPA==
 
-"@tryghost/string@0.1.20", "@tryghost/string@^0.1.17", "@tryghost/string@^0.1.20":
+"@tryghost/string@0.1.21":
+  version "0.1.21"
+  resolved "https://registry.yarnpkg.com/@tryghost/string/-/string-0.1.21.tgz#16d70b4767a472902d5bacc67c3b46642637bff5"
+  integrity sha512-CaLVbq5PvayB63pv+pMyPv6QnTc/glp04tra+wtKPViEMz/hr4P05b0810UQyHvEeIQMd8c2yUthwo0SXOpCkQ==
+  dependencies:
+    unidecode "^0.1.8"
+
+"@tryghost/string@^0.1.17", "@tryghost/string@^0.1.20":
   version "0.1.20"
   resolved "https://registry.yarnpkg.com/@tryghost/string/-/string-0.1.20.tgz#da38e1412b2bb53dee1fe1e7a7de3f43450452a0"
   integrity sha512-+EA1BJ5D55RQA3HsTMchGdxXL/0cN/rHbSjqLhjBhKuWTFNLb6AR9res1Bw3vb7ZxMV0ggUOrFDJ1Lqo2RbsEA==