diff --git a/package-lock.json b/package-lock.json
index 213998fd..dd8d81c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9565,9 +9565,9 @@
       }
     },
     "snabbdom": {
-      "version": "0.7.4",
-      "resolved": "https://registry.npmjs.org/snabbdom/-/snabbdom-0.7.4.tgz",
-      "integrity": "sha512-nnN+7uZ2NTIiu7EPMNwSDhmrYXqwlfCP/j72RdzvDPujXyvQxOW7Jl9yuLayzxMHDNWQR7FM6Pcn4wnDpKRe6Q=="
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/snabbdom/-/snabbdom-3.5.0.tgz",
+      "integrity": "sha512-Ff5BKG18KrrPuskHJlA9aujPHqEabItaDl96l7ZZndF4zt5AYSczz7ZjjgQAX5IBd5cd25lw9NfgX21yVUJ+9g=="
     },
     "snapdragon": {
       "version": "0.8.2",
diff --git a/package.json b/package.json
index c3aaed4c..ad0cb3e9 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "promise-polyfill": "^8.2.0",
     "rbush": "^3.0.1",
     "requirejs": "^2.3.6",
-    "snabbdom": "^0.7.4"
+    "snabbdom": "^3.5.0"
   },
   "scripts": {
     "gulp": "gulp --production",
diff --git a/yarn.lock b/yarn.lock
index d4b1205c..b5f6a3aa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6170,10 +6170,10 @@ slice-ansi@^2.1.0:
   dependencies:
     readable-stream "~1.0.31"
 
-snabbdom@^0.7.4:
-  version "0.7.4"
-  resolved "https://registry.yarnpkg.com/snabbdom/-/snabbdom-0.7.4.tgz#817f07e8d3fb870960c3763b8da56f1ba982d31a"
-  integrity sha512-nnN+7uZ2NTIiu7EPMNwSDhmrYXqwlfCP/j72RdzvDPujXyvQxOW7Jl9yuLayzxMHDNWQR7FM6Pcn4wnDpKRe6Q==
+snabbdom@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/snabbdom/-/snabbdom-3.5.0.tgz#e75acbdedb26ea327c75028a433ba064db0ccf6e"
+  integrity sha512-Ff5BKG18KrrPuskHJlA9aujPHqEabItaDl96l7ZZndF4zt5AYSczz7ZjjgQAX5IBd5cd25lw9NfgX21yVUJ+9g==
 
 snapdragon-node@^2.0.1:
   version "2.1.1"