diff --git a/package-lock.json b/package-lock.json
index 7552f804..2be80e14 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "dayjs-plugin-utc": "^0.1.2",
         "dotenv": "^16.4.5",
         "encodeurl": "^2.0.0",
-        "eventsource": "^2.0.2",
+        "eventsource": "^3.0.6",
         "filesize": "^10.1.6",
         "globby": "^14.0.2",
         "google-protobuf": "^3.21.4",
@@ -48,7 +48,7 @@
       "devDependencies": {
         "@types/aws4": "^1.11.6",
         "@types/encodeurl": "^1.0.2",
-        "@types/eventsource": "^1.1.15",
+        "@types/eventsource": "^3.0.0",
         "@types/jest": "^29.5.14",
         "@types/lodash": "^4.17.12",
         "@types/node": "^22.8.1",
@@ -2209,10 +2209,15 @@
       "dev": true
     },
     "node_modules/@types/eventsource": {
-      "version": "1.1.15",
-      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-1.1.15.tgz",
-      "integrity": "sha512-XQmGcbnxUNa06HR3VBVkc9+A2Vpi9ZyLJcdS5dwaQQ/4ZMWFO+5c90FnMUpbtMZwB/FChoYHwuVg8TvkECacTA==",
-      "dev": true
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-3.0.0.tgz",
+      "integrity": "sha512-yEhFj31FTD29DtNeqePu+A+lD6loRef6YOM5XfN1kUwBHyy2DySGlA3jJU+FbQSkrfmlBVluf2Dub/OyReFGKA==",
+      "deprecated": "This is a stub types definition. eventsource provides its own type definitions, so you do not need this installed.",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "eventsource": "*"
+      }
     },
     "node_modules/@types/graceful-fs": {
       "version": "4.1.9",
@@ -4423,11 +4428,24 @@
       }
     },
     "node_modules/eventsource": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz",
-      "integrity": "sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==",
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-3.0.6.tgz",
+      "integrity": "sha512-l19WpE2m9hSuyP06+FbuUUf1G+R0SFLrtQfbRb9PRr+oimOfxQhgGCbVaXg5IvZyyTThJsxh6L/srkMiCeBPDA==",
+      "license": "MIT",
+      "dependencies": {
+        "eventsource-parser": "^3.0.1"
+      },
       "engines": {
-        "node": ">=12.0.0"
+        "node": ">=18.0.0"
+      }
+    },
+    "node_modules/eventsource-parser": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.0.1.tgz",
+      "integrity": "sha512-VARTJ9CYeuQYb0pZEPbzi740OWFgpHe7AYJ2WFZVnUDUQp5Dk2yJUgF36YsZ81cOyxT0QxmXD2EQpapAouzWVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.0.0"
       }
     },
     "node_modules/execa": {
diff --git a/package.json b/package.json
index c9e42f4a..c3e17d89 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
   "devDependencies": {
     "@types/aws4": "^1.11.6",
     "@types/encodeurl": "^1.0.2",
-    "@types/eventsource": "^1.1.15",
+    "@types/eventsource": "^3.0.0",
     "@types/jest": "^29.5.14",
     "@types/lodash": "^4.17.12",
     "@types/node": "^22.8.1",
@@ -103,7 +103,7 @@
     "dayjs-plugin-utc": "^0.1.2",
     "dotenv": "^16.4.5",
     "encodeurl": "^2.0.0",
-    "eventsource": "^2.0.2",
+    "eventsource": "^3.0.6",
     "filesize": "^10.1.6",
     "globby": "^14.0.2",
     "google-protobuf": "^3.21.4",