diff --git a/ghost/admin/lib/ember-power-calendar-utils/package.json b/ghost/admin/lib/ember-power-calendar-utils/package.json
index 5034506a93..87dbbba776 100644
--- a/ghost/admin/lib/ember-power-calendar-utils/package.json
+++ b/ghost/admin/lib/ember-power-calendar-utils/package.json
@@ -9,6 +9,6 @@
   ],
   "dependencies": {
     "ember-cli-babel": "8.2.0",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   }
 }
diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 4bb8a42be3..b3bbb818b3 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -131,7 +131,7 @@
     "liquid-wormhole": "3.0.1",
     "loader.js": "4.7.0",
     "miragejs": "0.1.48",
-    "moment-timezone": "0.5.23",
+    "moment-timezone": "0.5.45",
     "normalize.css": "3.0.3",
     "papaparse": "5.3.2",
     "postcss-color-mod-function": "3.0.3",
@@ -161,7 +161,7 @@
     "ember-basic-dropdown": "6.0.2",
     "ember-in-viewport": "4.1.0",
     "moment": "2.24.0",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   },
   "ember": {
     "edition": "octane"
diff --git a/ghost/core/package.json b/ghost/core/package.json
index 289654eb7b..7f6a0977ad 100644
--- a/ghost/core/package.json
+++ b/ghost/core/package.json
@@ -212,7 +212,7 @@
     "lodash": "4.17.21",
     "luxon": "3.4.4",
     "moment": "2.24.0",
-    "moment-timezone": "0.5.23",
+    "moment-timezone": "0.5.45",
     "multer": "1.4.4",
     "mysql2": "3.10.2",
     "nconf": "0.12.1",
@@ -270,7 +270,7 @@
     "@tryghost/logging": "2.4.15",
     "jackspeak": "2.1.1",
     "moment": "2.24.0",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   },
   "nx": {
     "targets": {
diff --git a/ghost/email-service/package.json b/ghost/email-service/package.json
index 27eff2ddbb..189f9be6ff 100644
--- a/ghost/email-service/package.json
+++ b/ghost/email-service/package.json
@@ -37,6 +37,6 @@
     "cheerio": "0.22.0",
     "handlebars": "4.7.8",
     "juice": "9.1.0",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   }
 }
diff --git a/ghost/members-events-service/package.json b/ghost/members-events-service/package.json
index 007a7fffce..566df42419 100644
--- a/ghost/members-events-service/package.json
+++ b/ghost/members-events-service/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "c8": "8.0.1",
     "mocha": "10.2.0",
-    "moment": "2.29.4",
+    "moment": "2.30.1",
     "should": "13.2.3",
     "sinon": "15.2.0"
   },
diff --git a/ghost/members-importer/package.json b/ghost/members-importer/package.json
index 9f21f1c308..d681e9d851 100644
--- a/ghost/members-importer/package.json
+++ b/ghost/members-importer/package.json
@@ -30,6 +30,6 @@
     "@tryghost/members-csv": "0.0.0",
     "@tryghost/metrics": "1.0.34",
     "@tryghost/tpl": "0.1.30",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   }
 }
diff --git a/package.json b/package.json
index 136c85a890..1aa8b05595 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "@tryghost/logging": "2.4.15",
     "jackspeak": "2.1.1",
     "moment": "2.24.0",
-    "moment-timezone": "0.5.23"
+    "moment-timezone": "0.5.45"
   },
   "renovate": {
     "extends": [
diff --git a/yarn.lock b/yarn.lock
index e10878c37c..1ab878fa60 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -24345,14 +24345,14 @@ module-details-from-path@^1.0.3:
   resolved "https://registry.yarnpkg.com/module-details-from-path/-/module-details-from-path-1.0.3.tgz#114c949673e2a8a35e9d35788527aa37b679da2b"
   integrity sha512-ySViT69/76t8VhE1xXHK6Ch4NcDd26gx0MzKXLO+F7NOtnqH68d9zF94nT8ZWSxXh8ELOERsnJO/sWt1xZYw5A==
 
-moment-timezone@0.5.23, moment-timezone@0.5.34, moment-timezone@^0.5.23, moment-timezone@^0.5.31, moment-timezone@^0.5.33:
-  version "0.5.23"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.23.tgz#7cbb00db2c14c71b19303cb47b0fb0a6d8651463"
-  integrity sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==
+moment-timezone@0.5.34, moment-timezone@0.5.45, moment-timezone@^0.5.23, moment-timezone@^0.5.31, moment-timezone@^0.5.33:
+  version "0.5.45"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.45.tgz#cb685acd56bac10e69d93c536366eb65aa6bcf5c"
+  integrity sha512-HIWmqA86KcmCAhnMAN0wuDOARV/525R2+lOLotuGFzn4HO+FH+/645z2wx0Dt3iDv6/p61SIvKnDstISainhLQ==
   dependencies:
-    moment ">= 2.9.0"
+    moment "^2.29.4"
 
-moment@2.24.0, moment@2.27.0, moment@2.29.1, moment@2.29.3, moment@2.29.4, "moment@>= 2.9.0", moment@^2.10.2, moment@^2.18.1, moment@^2.19.3, moment@^2.27.0, moment@^2.29.1:
+moment@2.24.0, moment@2.27.0, moment@2.29.1, moment@2.29.3, moment@2.29.4, moment@2.30.1, moment@^2.10.2, moment@^2.18.1, moment@^2.19.3, moment@^2.27.0, moment@^2.29.1, moment@^2.29.4:
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
   integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==