diff --git a/benchmarks/frameworks/keyed/lit-html/package-lock.json b/benchmarks/frameworks/keyed/lit-html/package-lock.json
index 1e7fe9a..ab62232 100644
--- a/benchmarks/frameworks/keyed/lit-html/package-lock.json
+++ b/benchmarks/frameworks/keyed/lit-html/package-lock.json
@@ -52,6 +52,64 @@
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+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      },
+      "engines": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz",
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+      "dev": true,
+      "engines": {
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+    "node_modules/@jridgewell/set-array": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.1.2.tgz",
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+      "dev": true,
+      "engines": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/source-map/-/source-map-0.3.2.tgz",
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+        "@jridgewell/trace-mapping": "^0.3.9"
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+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz",
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+      "dev": true
+    },
+    "node_modules/@jridgewell/trace-mapping": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.14.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "@jridgewell/sourcemap-codec": "^1.4.10"
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     "node_modules/@types/clean-css": {
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@@ -481,14 +539,14 @@
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-      "resolved": "https://registry.npm.alibaba-inc.com/terser/download/terser-5.12.0.tgz",
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.2.tgz",
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       "dev": true,
       "dependencies": {
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         "acorn": "^8.5.0",
         "commander": "^2.20.0",
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@@ -498,15 +556,6 @@
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-      "resolved": "https://registry.npm.alibaba-inc.com/source-map/download/source-map-0.7.3.tgz",
-      "integrity": "sha1-UwL4FpAxc1ImVECS5kmB91F1A4M=",
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@@ -566,6 +615,55 @@
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       }
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+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
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+      "requires": {
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+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.9"
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+    "@jridgewell/resolve-uri": {
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+      "dev": true
+    },
+    "@jridgewell/set-array": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.1.2.tgz",
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+    "@jridgewell/source-map": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/source-map/-/source-map-0.3.2.tgz",
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+      "dev": true,
+      "requires": {
+        "@jridgewell/gen-mapping": "^0.3.0",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      }
+    },
+    "@jridgewell/sourcemap-codec": {
+      "version": "1.4.14",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz",
+      "integrity": "sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw==",
+      "dev": true
+    },
+    "@jridgewell/trace-mapping": {
+      "version": "0.3.14",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.14.tgz",
+      "integrity": "sha512-bJWEfQ9lPTvm3SneWwRFVLzrh6nhjwqw7TUFFBEMzwvg7t7PCDenf2lDwqo4NQXzdpgBXyFgDWnQA+2vkruksQ==",
+      "dev": true,
+      "requires": {
+        "@jridgewell/resolve-uri": "^3.0.3",
+        "@jridgewell/sourcemap-codec": "^1.4.10"
+      }
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     "@types/clean-css": {
       "version": "4.2.5",
       "resolved": "https://registry.npm.alibaba-inc.com/@types/clean-css/download/@types/clean-css-4.2.5.tgz",
@@ -928,23 +1026,15 @@
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-      "resolved": "https://registry.npm.alibaba-inc.com/terser/download/terser-5.12.0.tgz",
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.2.tgz",
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       "dev": true,
       "requires": {
+        "@jridgewell/source-map": "^0.3.2",
         "acorn": "^8.5.0",
         "commander": "^2.20.0",
-        "source-map": "~0.7.2",
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-          "integrity": "sha1-UwL4FpAxc1ImVECS5kmB91F1A4M=",
-          "dev": true
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     "typescript": {