diff --git a/package-lock.json b/package-lock.json
index 2cd771c0..12af7031 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5426,7 +5426,8 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
       "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
@@ -6783,9 +6784,9 @@
       "dev": true
     },
     "launchdarkly-js-sdk-common": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/launchdarkly-js-sdk-common/-/launchdarkly-js-sdk-common-3.1.0.tgz",
-      "integrity": "sha512-htP7QkOnsXmcWlsJxLvrAjxYCSU0XjKBBbjvpHH/SBD+mmfInjN/P7S3Y89HAen/o8O+FHz3/FbBhqoZ+W4uyQ==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/launchdarkly-js-sdk-common/-/launchdarkly-js-sdk-common-3.1.1.tgz",
+      "integrity": "sha512-+7UveII6CkPI8q58aH6XZ/iGR8GgWQ0VxVyxsNg82v4wP1NfsRVK5Mdb9feIicY0jIrGdDhuzWq+PwBJKlp8ig==",
       "requires": {
         "@babel/polyfill": "7.6.0",
         "base64-js": "1.3.0",
diff --git a/package.json b/package.json
index 795af425..bcb89d79 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
   },
   "dependencies": {
     "escape-string-regexp": "1.0.5",
-    "launchdarkly-js-sdk-common": "3.1.0"
+    "launchdarkly-js-sdk-common": "3.1.1"
   },
   "repository": {
     "type": "git",
diff --git a/src/browserPlatform.js b/src/browserPlatform.js
index e828abce..d07cc237 100644
--- a/src/browserPlatform.js
+++ b/src/browserPlatform.js
@@ -23,6 +23,12 @@ export default function makeBrowserPlatform(options) {
     return hasCors;
   };
 
+  // Image-based mechanism for sending events if POST isn't available
+  ret.httpFallbackPing = url => {
+    const img = new window.Image();
+    img.src = url;
+  };
+
   const eventUrlTransformer = options && options.eventUrlTransformer;
   ret.getCurrentUrl = () => (eventUrlTransformer ? eventUrlTransformer(window.location.href) : window.location.href);