diff --git a/eslint.config.mjs b/eslint.config.mjs
index c26ced4..074f07a 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -97,6 +97,7 @@ export default tseslint.config(
       '@typescript-eslint/no-unsafe-return': 'off',
       '@typescript-eslint/prefer-nullish-coalescing': 'off',
       '@typescript-eslint/no-deprecated': 'off',
+      '@typescript-eslint/restrict-plus-operands': 'off',
       'no-empty': 'off',
     },
   },
diff --git a/package.json b/package.json
index 5884af7..6fdd45a 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "prettier": "^3.3.3",
     "rimraf": "^6.0.1",
     "standard-changelog": "^6.0.0",
-    "typescript": "^5.3.3",
+    "typescript": "~5.6.0",
     "typescript-eslint": "^8.0.1",
     "vitest": "^2.0.5",
     "webpack": "^5.93.0",
diff --git a/src/tabixIndexedFile.ts b/src/tabixIndexedFile.ts
index 9bdee70..9dd987f 100644
--- a/src/tabixIndexedFile.ts
+++ b/src/tabixIndexedFile.ts
@@ -291,7 +291,6 @@ export default class TabixIndexedFile {
 
     checkAbortSignal(opts.signal)
 
-    // eslint-disable-next-line @typescript-eslint/restrict-plus-operands
     const maxFetch = (firstDataLine?.blockPosition || 0) + maxBlockSize
     // TODO: what if we don't have a firstDataLine, and the header
     // actually takes up more than one block? this case is not covered here
diff --git a/yarn.lock b/yarn.lock
index 2939839..29062b6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4061,10 +4061,10 @@ typescript-eslint@^8.0.1:
     "@typescript-eslint/parser" "8.16.0"
     "@typescript-eslint/utils" "8.16.0"
 
-typescript@^5.3.3:
-  version "5.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.7.2.tgz#3169cf8c4c8a828cde53ba9ecb3d2b1d5dd67be6"
-  integrity sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==
+typescript@~5.6.0:
+  version "5.6.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.3.tgz#5f3449e31c9d94febb17de03cc081dd56d81db5b"
+  integrity sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==
 
 uglify-js@^3.1.4:
   version "3.19.3"