diff --git a/package-lock.json b/package-lock.json
index 6a66545a4..156a60514 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -945,9 +945,9 @@
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@@ -4136,6 +4136,12 @@
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+            "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
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@@ -4901,9 +4907,9 @@
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+            "resolved": "https://registry.npmjs.org/pako/-/pako-2.1.0.tgz",
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@@ -6766,7 +6772,7 @@
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@@ -6778,7 +6784,7 @@
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-                "@types/pako": "^1.0.0",
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                 "@types/unicode-properties": "^1.3.0",
@@ -6856,6 +6862,11 @@
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+            "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+            "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
+        },
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@@ -7523,9 +7534,9 @@
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-            "integrity": "sha1-6q6DZNG391LiY7w/1o3+yY5hNsU=",
+            "version": "2.0.3",
+            "resolved": "https://registry.npmjs.org/@types/pako/-/pako-2.0.3.tgz",
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@@ -9877,6 +9888,12 @@
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+                    "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
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@@ -10464,9 +10481,9 @@
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-            "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.6.tgz",
-            "integrity": "sha512-lQe48YPsMJAig+yngZ87Lus+NF+3mtu7DVOBu6b/gHO1YpKwIj5AWjZ/TOS7i46HD/UixzWb1zeWDZfGZ3iYcg=="
+            "version": "2.1.0",
+            "resolved": "https://registry.npmjs.org/pako/-/pako-2.1.0.tgz",
+            "integrity": "sha512-w+eufiZ1WuJYgPXbV/PO3NCMEc3xqylkKHzp8bxp1uW4qaSNQUkwmLLEc3kKsfz8lpV1F8Ht3U1Cm+9Srog2ug=="
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@@ -10714,7 +10731,7 @@
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                 "@types/js-base64": "^3.3.1",
                 "@types/node": "18.14.0",
-                "@types/pako": "^1.0.0",
+                "@types/pako": "^2.0.3",
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@@ -10726,7 +10743,7 @@
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                 "lodash": "^4.17.21",
-                "pako": "^1.0.6",
+                "pako": "^2.1.0",
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                 "tslint": "^6.1.3",
@@ -10799,6 +10816,11 @@
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+                    "version": "1.0.11",
+                    "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+                    "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
+                },
                 "quicktype-core": {
                     "version": "https://registry.npmjs.org/quicktype-core/-/quicktype-core-20.0.0.tgz",
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diff --git a/packages/quicktype-core/package.json b/packages/quicktype-core/package.json
index 0e6df778c..49f493c46 100644
--- a/packages/quicktype-core/package.json
+++ b/packages/quicktype-core/package.json
@@ -20,7 +20,7 @@
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-        "pako": "^1.0.6",
+        "pako": "^2.1.0",
         "pluralize": "^8.0.0",
         "readable-stream": "4.5.2",
         "unicode-properties": "^1.4.1",
@@ -32,7 +32,7 @@
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         "@types/js-base64": "^3.3.1",
         "@types/node": "18.14.0",
-        "@types/pako": "^1.0.0",
+        "@types/pako": "^2.0.3",
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         "@types/unicode-properties": "^1.3.0",