diff --git a/package.json b/package.json
index 36fed7d0..70a2f6d8 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@sourcegraph/eslint-config": "0.37.1",
     "@sourcegraph/prettierrc": "3.0.3",
     "@sourcegraph/tsconfig": "4.0.1",
-    "@types/diff": "7.0.1",
+    "@types/diff": "8.0.0",
     "@types/google-protobuf": "3.15.12",
     "@types/node": "20.16.10",
     "@types/progress": "2.0.7",
diff --git a/yarn.lock b/yarn.lock
index 79d296fc..5652b5ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -404,10 +404,12 @@
   resolved "https://registry.npmjs.org/@sourcegraph/tsconfig/-/tsconfig-4.0.1.tgz"
   integrity sha512-G/xsejsR84G5dj3kHJ7svKBo9E5tWl96rUHKP94Y2UDtA7BzUhAYbieM+b9ZUpIRt66h3+MlYbG5HK4UI2zDzw==
 
-"@types/diff@7.0.1":
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-7.0.1.tgz#acc505eb2e8337ca400503283a6ab44a59906d9f"
-  integrity sha512-R/BHQFripuhW6XPXy05hIvXJQdQ4540KnTvEFHSLjXfHYM41liOLKgIJEyYYiQe796xpaMHfe4Uj/p7Uvng2vA==
+"@types/diff@8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-8.0.0.tgz#8fc38b6488d2b228bf0b26c3d86a6822dc0961c5"
+  integrity sha512-o7jqJM04gfaYrdCecCVMbZhNdG6T1MHg/oQoRFdERLV+4d+V7FijhiEAbFu0Usww84Yijk9yH58U4Jk4HbtzZw==
+  dependencies:
+    diff "*"
 
 "@types/google-protobuf@3.15.12":
   version "3.15.12"
@@ -1030,7 +1032,7 @@ dequal@^2.0.0:
   resolved "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz"
   integrity sha512-0je+qPKHEMohvfRTCEo3CrPG6cAzAYgmzKyxRiYSSDkS6eGJdyVJm7WaYA5ECaAD9wLB2T4EEeymA5aFVcYXCA==
 
-diff@7.0.0:
+diff@*, diff@7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-7.0.0.tgz#3fb34d387cd76d803f6eebea67b921dab0182a9a"
   integrity sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==