diff --git a/packages/web/package.json b/packages/web/package.json
index 06dee6a0f..014790d4e 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -41,7 +41,7 @@
     "sirv-cli": "^1.0.0",
     "socket.io-client": "^2.3.0",
     "sql-formatter": "^2.3.3",
-    "svelte": "^3.35.0",
+    "svelte": "^3.43.0",
     "svelte-check": "^1.0.0",
     "svelte-markdown": "^0.1.4",
     "svelte-preprocess": "^4.0.0",
diff --git a/patches/svelte+3.35.0.patch b/patches/svelte+3.43.0.patch
similarity index 75%
rename from patches/svelte+3.35.0.patch
rename to patches/svelte+3.43.0.patch
index ba2e32c3c..9c26e0966 100644
--- a/patches/svelte+3.35.0.patch
+++ b/patches/svelte+3.43.0.patch
@@ -1,9 +1,9 @@
 diff --git a/node_modules/svelte/internal/index.js b/node_modules/svelte/internal/index.js
-index ee20a17..7b6fff8 100644
+index 1cce90d..6220522 100644
 --- a/node_modules/svelte/internal/index.js
 +++ b/node_modules/svelte/internal/index.js
-@@ -200,7 +200,7 @@ function insert(target, node, anchor) {
-     target.insertBefore(node, anchor || null);
+@@ -374,7 +374,7 @@ function insert_hydration(target, node, anchor) {
+     }
  }
  function detach(node) {
 -    node.parentNode.removeChild(node);
@@ -12,11 +12,11 @@ index ee20a17..7b6fff8 100644
  function destroy_each(iterations, detaching) {
      for (let i = 0; i < iterations.length; i += 1) {
 diff --git a/node_modules/svelte/internal/index.mjs b/node_modules/svelte/internal/index.mjs
-index 4146e56..f5f00c5 100644
+index 6650e85..b746187 100644
 --- a/node_modules/svelte/internal/index.mjs
 +++ b/node_modules/svelte/internal/index.mjs
-@@ -196,7 +196,7 @@ function insert(target, node, anchor) {
-     target.insertBefore(node, anchor || null);
+@@ -370,7 +370,7 @@ function insert_hydration(target, node, anchor) {
+     }
  }
  function detach(node) {
 -    node.parentNode.removeChild(node);
diff --git a/yarn.lock b/yarn.lock
index 27759e55b..82aab56ff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10069,10 +10069,10 @@ svelte-select@^3.17.0:
   resolved "https://registry.yarnpkg.com/svelte-select/-/svelte-select-3.17.0.tgz#6bea0cb8d0c9465d28a2bac562f2de8a61f48a9f"
   integrity sha512-ITmX/XUiSdkaILmsTviKRkZPaXckM5/FA7Y8BhiUPoamaZG/ZDyOo6ydjFu9fDVFTbwoAUGUi6HBjs+ZdK2AwA==
 
-svelte@^3.35.0:
-  version "3.35.0"
-  resolved "https://registry.yarnpkg.com/svelte/-/svelte-3.35.0.tgz#e0d0ba60c4852181c2b4fd851194be6fda493e65"
-  integrity sha512-gknlZkR2sXheu/X+B7dDImwANVvK1R0QGQLd8CNIfxxGPeXBmePnxfzb6fWwTQRsYQG7lYkZXvpXJvxvpsoB7g==
+svelte@^3.43.0:
+  version "3.43.0"
+  resolved "https://registry.yarnpkg.com/svelte/-/svelte-3.43.0.tgz#d28d06ec523bf0cea3de15558a3241c339a85762"
+  integrity sha512-T2pMPHrxXp+SM8pLLUXLQgkdo+JhTls7aqj9cD7z8wT2ccP+OrCAmtQS7h6pvMjitaZhXFNnCK582NxDpy8HSw==
 
 symbol-tree@^3.2.2, symbol-tree@^3.2.4:
   version "3.2.4"