diff --git a/package-lock.json b/package-lock.json
index 7ff4343..92991d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10948,9 +10948,9 @@
       }
     },
     "svelte": {
-      "version": "3.23.0",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.23.0.tgz",
-      "integrity": "sha512-cnyd96bK/Nw5DnYuB1hzm5cl6+I1fpmdKOteA7KLzU9KGLsLmvWsSkSKbcntzODCLmSySN3HjcgTHRo6/rJNTw=="
+      "version": "3.41.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.41.0.tgz",
+      "integrity": "sha512-X9/lnTcRBCrMdyFBVjfmqy1T2vyN8ejUE1OfbWSccc2Z42Amn3ab3XdBgVl+oDkZvzPfPMoxo6CEbWca7pXOew=="
     },
     "svgo": {
       "version": "1.3.2",
diff --git a/package.json b/package.json
index eea242e..5876837 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "ndarray": "^1.0.19",
     "nouislider": "^14.5.0",
     "odex": "^2.0.4",
-    "svelte": "^3.23.0",
+    "svelte": "^3.41.0",
     "vega": "^5.13.0",
     "vega-embed": "^6.8.0",
     "vega-lite": "^4.13.1",