diff --git a/packages/fxa-content-server/package.json b/packages/fxa-content-server/package.json
index 7f36984fbf2..a079381aa71 100644
--- a/packages/fxa-content-server/package.json
+++ b/packages/fxa-content-server/package.json
@@ -82,7 +82,7 @@
     "handlebars": "^4.7.9",
     "helmet": "^8.0.0",
     "hot-shots": "^10.2.1",
-    "http-proxy-middleware": "^2.0.7",
+    "http-proxy-middleware": "^4.1.1",
     "i18n-abide": "0.0.26",
     "joi": "^17.13.3",
     "jquery": "3.7.0",
diff --git a/yarn.lock b/yarn.lock
index f2a85729d43..104dd1166cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -31171,7 +31171,7 @@ __metadata:
     helmet: "npm:^8.0.0"
     hot-shots: "npm:^10.2.1"
     htmlparser2: "npm:9.1.0"
-    http-proxy-middleware: "npm:^2.0.7"
+    http-proxy-middleware: "npm:^4.1.1"
     i18n-abide: "npm:0.0.26"
     install: "npm:0.13.0"
     joi: "npm:^17.13.3"
@@ -33933,7 +33933,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"http-proxy-middleware@npm:^2.0.3, http-proxy-middleware@npm:^2.0.7, http-proxy-middleware@npm:^2.0.9":
+"http-proxy-middleware@npm:^2.0.3, http-proxy-middleware@npm:^2.0.9":
   version: 2.0.9
   resolution: "http-proxy-middleware@npm:2.0.9"
   dependencies:
@@ -33965,6 +33965,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"http-proxy-middleware@npm:^4.1.1":
+  version: 4.1.1
+  resolution: "http-proxy-middleware@npm:4.1.1"
+  dependencies:
+    debug: "npm:^4.4.3"
+    httpxy: "npm:^0.5.3"
+    is-glob: "npm:^4.0.3"
+    is-plain-obj: "npm:^4.1.0"
+    micromatch: "npm:^4.0.8"
+  checksum: 10c0/51bbabf7141567f2bc985cb9289c1f4360817ed2356f97da9011d906e6861b18d6a7de351379d593b65b74c52ba643c46bcd75c562d71f52526ca7c109b62bbf
+  languageName: node
+  linkType: hard
+
 "http-proxy@npm:^1.18.1":
   version: 1.18.1
   resolution: "http-proxy@npm:1.18.1"
@@ -34084,6 +34097,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"httpxy@npm:^0.5.3":
+  version: 0.5.3
+  resolution: "httpxy@npm:0.5.3"
+  checksum: 10c0/8120753638d1a50b13396d7c55536db076a04609dfb7eea19f5b461f9541acf4646fa6bfb8991f14bad62e0037b524481c5d625892b4ff94a6ab744149ed9387
+  languageName: node
+  linkType: hard
+
 "human-signals@npm:^2.1.0":
   version: 2.1.0
   resolution: "human-signals@npm:2.1.0"
@@ -35191,7 +35211,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-plain-obj@npm:^4.0.0":
+"is-plain-obj@npm:^4.0.0, is-plain-obj@npm:^4.1.0":
   version: 4.1.0
   resolution: "is-plain-obj@npm:4.1.0"
   checksum: 10c0/32130d651d71d9564dc88ba7e6fda0e91a1010a3694648e9f4f47bb6080438140696d3e3e15c741411d712e47ac9edc1a8a9de1fe76f3487b0d90be06ac9975e