diff --git a/apps/backend/package-lock.json b/apps/backend/package-lock.json
index 94cf61cd78..85bcdcaf1c 100644
--- a/apps/backend/package-lock.json
+++ b/apps/backend/package-lock.json
@@ -28,7 +28,7 @@
         "@opentelemetry/winston-transport": "^0.26.0",
         "@user-office-software/duo-localisation": "^1.2.0",
         "@user-office-software/duo-logger": "^2.3.2",
-        "@user-office-software/duo-message-broker": "^1.8.0",
+        "@user-office-software/duo-message-broker": "^1.9.1",
         "@user-office-software/duo-validation": "file:../../validation",
         "@user-office-software/openid": "^1.4.0",
         "await-to-js": "^2.1.1",
@@ -3619,22 +3619,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/@acuminous/bitsyntax": {
-      "version": "0.1.2",
-      "license": "MIT",
-      "dependencies": {
-        "buffer-more-ints": "~1.0.0",
-        "debug": "^4.3.4",
-        "safe-buffer": "~5.1.2"
-      },
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
-    "node_modules/@acuminous/bitsyntax/node_modules/safe-buffer": {
-      "version": "5.1.2",
-      "license": "MIT"
-    },
     "node_modules/@ampproject/remapping": {
       "version": "2.2.1",
       "devOptional": true,
@@ -7854,12 +7838,14 @@
       }
     },
     "node_modules/@user-office-software/duo-message-broker": {
-      "version": "1.8.0",
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/@user-office-software/duo-message-broker/-/duo-message-broker-1.9.1.tgz",
+      "integrity": "sha512-qMe3LBvORNBurs32ZI/xrLvkpxIxQ1TpA2BUaMbwpvbtQFqK9YFSA2KaLr5pJq/JO0wCGP9pJ/+ik+TOKAlkKQ==",
       "license": "ISC",
       "dependencies": {
         "@types/amqplib": "^0.10.1",
         "@user-office-software/duo-logger": "^2.1.1",
-        "amqplib": "^0.10.3"
+        "amqplib": "^0.10.9"
       },
       "engines": {
         "node": ">=16.14.0",
@@ -8069,12 +8055,12 @@
       }
     },
     "node_modules/amqplib": {
-      "version": "0.10.3",
+      "version": "0.10.9",
+      "resolved": "https://registry.npmjs.org/amqplib/-/amqplib-0.10.9.tgz",
+      "integrity": "sha512-jwSftI4QjS3mizvnSnOrPGYiUnm1vI2OP1iXeOUz5pb74Ua0nbf6nPyyTzuiCLEE3fMpaJORXh2K/TQ08H5xGA==",
       "license": "MIT",
       "dependencies": {
-        "@acuminous/bitsyntax": "^0.1.2",
         "buffer-more-ints": "~1.0.0",
-        "readable-stream": "1.x >=1.1.9",
         "url-parse": "~1.5.10"
       },
       "engines": {
@@ -8656,6 +8642,8 @@
     },
     "node_modules/buffer-more-ints": {
       "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-1.0.0.tgz",
+      "integrity": "sha512-EMetuGFz5SLsT0QTnXzINh4Ksr+oo4i+UGTXEshiGCQWnsgSs7ZhJ8fzlwQ+OzEMs0MpDAMr1hxnblp5a4vcHg==",
       "license": "MIT"
     },
     "node_modules/busboy": {
@@ -15138,6 +15126,8 @@
     },
     "node_modules/querystringify": {
       "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
+      "integrity": "sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==",
       "license": "MIT"
     },
     "node_modules/range-parser": {
@@ -15218,16 +15208,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/readable-stream": {
-      "version": "1.1.14",
-      "license": "MIT",
-      "dependencies": {
-        "core-util-is": "~1.0.0",
-        "inherits": "~2.0.1",
-        "isarray": "0.0.1",
-        "string_decoder": "~0.10.x"
-      }
-    },
     "node_modules/readdirp": {
       "version": "3.6.0",
       "dev": true,
@@ -15338,6 +15318,8 @@
     },
     "node_modules/requires-port": {
       "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+      "integrity": "sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==",
       "license": "MIT"
     },
     "node_modules/resolve": {
@@ -17016,6 +16998,8 @@
     },
     "node_modules/url-parse": {
       "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
       "license": "MIT",
       "dependencies": {
         "querystringify": "^2.1.1",
diff --git a/apps/backend/package.json b/apps/backend/package.json
index 8f131bfc3f..225643fe9a 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -51,7 +51,7 @@
     "@opentelemetry/winston-transport": "^0.26.0",
     "@user-office-software/duo-localisation": "^1.2.0",
     "@user-office-software/duo-logger": "^2.3.2",
-    "@user-office-software/duo-message-broker": "^1.8.0",
+    "@user-office-software/duo-message-broker": "^1.9.1",
     "@user-office-software/duo-validation": "file:../../validation",
     "@user-office-software/openid": "^1.4.0",
     "await-to-js": "^2.1.1",