diff --git a/tools/viewer/web/package-lock.json b/tools/viewer/web/package-lock.json
index 47899eb..515f23a 100644
--- a/tools/viewer/web/package-lock.json
+++ b/tools/viewer/web/package-lock.json
@@ -1628,9 +1628,9 @@
             "dev": true
         },
         "eventsource": {
-            "version": "1.0.7",
-            "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-            "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
+            "version": "1.1.1",
+            "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.1.tgz",
+            "integrity": "sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==",
             "dev": true,
             "requires": {
                 "original": "^1.0.0"
diff --git a/tools/viewer/web/yarn.lock b/tools/viewer/web/yarn.lock
index 6ed2e25..b4469d2 100644
--- a/tools/viewer/web/yarn.lock
+++ b/tools/viewer/web/yarn.lock
@@ -1314,9 +1314,9 @@ events@^3.0.0:
   integrity sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==
 
 eventsource@^1.0.7:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.1.0.tgz#00e8ca7c92109e94b0ddf32dac677d841028cfaf"
-  integrity sha512-VSJjT5oCNrFvCS6igjzPAt5hBzQ2qPBFIbJ03zLI9SE0mxwZpMw6BfJrbFHm1a141AavMEB8JHmBhWAd66PfCg==
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.1.1.tgz#4544a35a57d7120fba4fa4c86cb4023b2c09df2f"
+  integrity sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==
   dependencies:
     original "^1.0.0"