diff --git a/package-lock.json b/package-lock.json
index 2c71ba7..7c2a8e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "electron": "^28.0.0",
         "electron-updater": "^6.1.7",
         "fast-deep-equal": "^3.1.3",
-        "mnemonist": "^0.39.5",
+        "mnemonist": "^0.40.3",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "simplex-noise": "^4.0.1",
@@ -7050,12 +7050,12 @@
       "license": "MIT"
     },
     "node_modules/mnemonist": {
-      "version": "0.39.8",
-      "resolved": "https://registry.npmjs.org/mnemonist/-/mnemonist-0.39.8.tgz",
-      "integrity": "sha512-vyWo2K3fjrUw8YeeZ1zF0fy6Mu59RHokURlld8ymdUPjMlD9EC9ov1/YPqTgqRvUN9nTr3Gqfz29LYAmu0PHPQ==",
+      "version": "0.40.3",
+      "resolved": "https://registry.npmjs.org/mnemonist/-/mnemonist-0.40.3.tgz",
+      "integrity": "sha512-Vjyr90sJ23CKKH/qPAgUKicw/v6pRoamxIEDFOF8uSgFME7DqPRpHgRTejWVjkdGg5dXj0/NyxZHZ9bcjH+2uQ==",
       "license": "MIT",
       "dependencies": {
-        "obliterator": "^2.0.1"
+        "obliterator": "^2.0.4"
       }
     },
     "node_modules/ms": {
diff --git a/package.json b/package.json
index b574024..3e86f64 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "electron": "^28.0.0",
     "electron-updater": "^6.1.7",
     "fast-deep-equal": "^3.1.3",
-    "mnemonist": "^0.39.5",
+    "mnemonist": "^0.40.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "simplex-noise": "^4.0.1",