diff --git a/change/@minecraft-core-build-tasks-b54e3b89-d834-46fe-80bc-69ca2f706a12.json b/change/@minecraft-core-build-tasks-b54e3b89-d834-46fe-80bc-69ca2f706a12.json
new file mode 100644
index 0000000..0d3ca22
--- /dev/null
+++ b/change/@minecraft-core-build-tasks-b54e3b89-d834-46fe-80bc-69ca2f706a12.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "build(dependabot): bump dotenv from 16.4.7 to 17.4.2",
+  "packageName": "@minecraft/core-build-tasks",
+  "email": "mc-npm@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/package-lock.json b/package-lock.json
index b7691cb..cb69fb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3876,9 +3876,10 @@
             }
         },
         "node_modules/dotenv": {
-            "version": "16.4.7",
-            "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
-            "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+            "version": "17.4.2",
+            "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
+            "integrity": "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==",
+            "license": "BSD-2-Clause",
             "engines": {
                 "node": ">=12"
             },
@@ -8980,7 +8981,7 @@
             "dependencies": {
                 "@microsoft/api-extractor": "^7.38.3",
                 "@rushstack/node-core-library": "^5.14.0",
-                "dotenv": "^16.4.5",
+                "dotenv": "^17.4.2",
                 "esbuild": "^0.25.0",
                 "eslint": "^9.17.0",
                 "just-scripts": "^2.4.1",
diff --git a/tools/core-build-tasks/package.json b/tools/core-build-tasks/package.json
index be392ec..95a2086 100644
--- a/tools/core-build-tasks/package.json
+++ b/tools/core-build-tasks/package.json
@@ -34,7 +34,7 @@
   "dependencies": {
     "@microsoft/api-extractor": "^7.38.3",
     "@rushstack/node-core-library": "^5.14.0",
-    "dotenv": "^16.4.5",
+    "dotenv": "^17.4.2",
     "esbuild": "^0.25.0",
     "eslint": "^9.17.0",
     "just-scripts": "^2.4.1",