diff --git a/package.json b/package.json
index ab388109..1c78137a 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "homepage": "https://github.com/sourcegraph/scip-typescript#readme",
   "dependencies": {
-    "commander": "^14.0.3",
+    "commander": "^15.0.0",
     "google-protobuf": "^4.0.2",
     "progress": "^2.0.3",
     "typescript": "^6.0.3"
diff --git a/yarn.lock b/yarn.lock
index fdf03c8b..176ebb4a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -236,14 +236,7 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
   integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
 
-"@types/node@*":
-  version "26.2.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-26.2.0.tgz#5a4875a862fda8fdc57de8faa579bb81ecba1685"
-  integrity sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==
-  dependencies:
-    undici-types "~8.3.0"
-
-"@types/node@24.13.3":
+"@types/node@*", "@types/node@24.13.3":
   version "24.13.3"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-24.13.3.tgz#49f18bd3c647866dcda51a0756c145e14590ce16"
   integrity sha512-Dh8vAsV36ig5wa9OX4pXvMc9D3Veibfw2wix0CUwYODLD8nkj9UsLjASr49nPg+2eKzxhBV+v7L8pXvT4e639Q==
@@ -385,10 +378,10 @@ brace-expansion@^5.0.8:
   dependencies:
     balanced-match "^4.0.2"
 
-commander@^14.0.3:
-  version "14.0.3"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-14.0.3.tgz#425d79b48f9af82fcd9e4fc1ea8af6c5ec07bbc2"
-  integrity sha512-H+y0Jo/T1RZ9qPP4Eh1pkcQcLRglraJaSLoyOtHxu6AapkjWVCy2Sit1QQ4x3Dng8qDlSsZEet7g5Pq06MvTgw==
+commander@^15.0.0:
+  version "15.0.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-15.0.0.tgz#96f3961f12adac1799ef3fbd8bc61d40572d1b11"
+  integrity sha512-z67u4ZhzCL/Tydu1lJARtEZYWbWaN7oYLHbsuzocr6y4N6WZAagG3RQ4FW61V1/0+jImpj293XfrcYnd1qxtPg==
 
 cross-spawn@^7.0.6:
   version "7.0.6"
@@ -852,11 +845,6 @@ undici-types@~7.18.0:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-7.18.2.tgz#29357a89e7b7ca4aef3bf0fd3fd0cd73884229e9"
   integrity sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==
 
-undici-types@~8.3.0:
-  version "8.3.0"
-  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-8.3.0.tgz#44e9fc9f3244648cdea35e4f9bb2d681e9410809"
-  integrity sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==
-
 uri-js@^4.2.2:
   version "4.4.1"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"