diff --git a/package.json b/package.json
index 341b543..f337c1d 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-svelte": "^5.1.1",
     "rollup-plugin-terser": "^5.2.0",
-    "sapper": "^0.27.10",
+    "sapper": "^0.28.0",
     "svelte": "^3.19.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 29751fd..de56aa4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3061,10 +3061,10 @@ safe-identifier@^0.3.1:
   resolved "https://registry.yarnpkg.com/safe-identifier/-/safe-identifier-0.3.1.tgz#466b956ef8558b10bbe15b87fedf470ab283cd39"
   integrity sha512-+vr9lVsmciuoP1fz8w30qDcohwH2S/tb5dPGQ8zHmG9jQf7YHU2fIKGxxcDpeY38J0Dep+DdPMz8FszVZT0Mbw==
 
-sapper@^0.27.10:
-  version "0.27.10"
-  resolved "https://registry.yarnpkg.com/sapper/-/sapper-0.27.10.tgz#72a9a2a58756a6ee1834f7c9e2600b815f4cf596"
-  integrity sha512-hbl+uE7RClCdVst2qyaPuKjZOQx/1iSMiiBPFHU4IiAucuAkZM7hIwTfYQXLOltuAYoFfAEQVV3L9PJ81f7Oig==
+sapper@^0.28.0:
+  version "0.28.0"
+  resolved "https://registry.yarnpkg.com/sapper/-/sapper-0.28.0.tgz#1dfed31f68a5d684fc4bdf8c6a54b6dc79edf5b0"
+  integrity sha512-t5Qwaad4Zq0HFHqGVV5iw3M22B3cvczxyBzUJiQyMWuL2KY1wDi+6DslEEkpdfrOPejdphj2z4oVpE4X8iOc5w==
   dependencies:
     html-minifier "^4.0.0"
     http-link-header "^1.0.2"