diff --git a/package-lock.json b/package-lock.json
index 80e1eaa..bfbfc41 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -99,6 +99,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
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         "longest": "^1.0.1",
@@ -958,15 +959,6 @@
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-      "from": "github:Microsoft/definitelytyped-header-parser#production",
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@@ -1112,7 +1104,24 @@
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-        "typescript": "next"
+        "typescript": "^4.5.0-dev.20210810"
+      },
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+        "definitelytyped-header-parser": {
+          "version": "github:Microsoft/definitelytyped-header-parser#f074e863231ef0d79a31c0a9edaf1b82c98469ef",
+          "from": "github:Microsoft/definitelytyped-header-parser#production",
+          "dev": true,
+          "requires": {
+            "@types/parsimmon": "^1.3.0",
+            "parsimmon": "^1.2.0"
+          }
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+        "typescript": {
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+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.0-dev.20210810.tgz",
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+          "dev": true
+        }
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@@ -2153,6 +2162,7 @@
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       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
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@@ -2236,7 +2246,8 @@
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       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2581,9 +2592,9 @@
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-      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.5.tgz",
-      "integrity": "sha1-PBrfhx6pzWyUMbbqK9dKD/BVxME=",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+      "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
       "dev": true
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@@ -2786,7 +2797,8 @@
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       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3401,12 +3413,6 @@
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-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.0-dev.20180512.tgz",
-      "integrity": "sha512-IoShsqB7aix2NsKnaKqlCuerZdWp0OHIrWufUY2mfV1vDf8FTmBA49AODKbWySTQCi2YBB6SGqih9FLMEBjZJA==",
-      "dev": true
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