diff --git a/.gitignore b/.gitignore
index 030dfc14..644b8dc7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.type-coverage
 coverage
 lib
 node_modules
diff --git a/package.json b/package.json
index c9e10220..57e5e399 100644
--- a/package.json
+++ b/package.json
@@ -107,8 +107,12 @@
     ]
   },
   "typeCoverage": {
-    "atLeast": 98.24,
+    "atLeast": 98.99,
+    "cache": true,
     "detail": true,
+    "ignoreCatch": true,
+    "ignoreAsAssertion": true,
+    "ignoreNonNullAssertion": true,
     "strict": true,
     "update": true
   }