diff --git a/package.json b/package.json
index 24de939..38d9f4e 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   "devDependencies": {
     "@mossop/config": "1.2.3",
     "@types/jest": "29.5.5",
-    "@types/luxon": "3.3.2",
+    "@types/luxon": "3.3.3",
     "@types/node": "^20.8.4",
     "@typescript-eslint/eslint-plugin": "6.7.5",
     "@typescript-eslint/parser": "6.7.5",
diff --git a/yarn.lock b/yarn.lock
index 479b1bb..e419c08 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1041,10 +1041,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/luxon@npm:3.3.2":
-  version: 3.3.2
-  resolution: "@types/luxon@npm:3.3.2"
-  checksum: b9111132720eae0269538872a5a496b29587ecfc8edc3b0ff7d269aa93a5ff00a131b23d1e9d1f12ec39f2c779ad21bd8d9f90b122c85a182771aabde7f676b8
+"@types/luxon@npm:3.3.3":
+  version: 3.3.3
+  resolution: "@types/luxon@npm:3.3.3"
+  checksum: 072dd39eea3f63453788fab2fcfc83eb33917afcaffe178ce08ecd8b016824b8ab3bfa991f66266f2fc1927768a56b4334945f2eb1d83638e325c0c43d7d0e86
   languageName: node
   linkType: hard
 
@@ -1700,7 +1700,7 @@ __metadata:
   dependencies:
     "@mossop/config": 1.2.3
     "@types/jest": 29.5.5
-    "@types/luxon": 3.3.2
+    "@types/luxon": 3.3.3
     "@types/node": ^20.8.4
     "@typescript-eslint/eslint-plugin": 6.7.5
     "@typescript-eslint/parser": 6.7.5