diff --git a/package-lock.json b/package-lock.json
index 7d199520..c1891e0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6520,7 +6520,14 @@
       "integrity": "sha1-iuCWJX6r59acRb4rZ8RIEk/7UXw=",
       "requires": {
         "duplexer": "0.1.1",
-        "pify": "3.0.0"
+        "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "har-schema": {
@@ -7580,8 +7587,15 @@
       "requires": {
         "graceful-fs": "4.1.11",
         "parse-json": "4.0.0",
-        "pify": "3.0.0",
+        "pify": "^3.0.0",
         "strip-bom": "3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "loader-runner": {
@@ -7820,6 +7834,13 @@
       "integrity": "sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==",
       "requires": {
         "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "mamacro": {
@@ -9050,7 +9071,14 @@
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
       "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
       "requires": {
-        "pify": "3.0.0"
+        "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "pause-stream": {
@@ -9079,9 +9107,9 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "pify": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.0.tgz",
+      "integrity": "sha512-zrSP/KDf9DH3K3VePONoCstgPiYJy9z0SCatZuTpOc7YdnWIqwkWdXOuwlr4uDc7em8QZRsFWsT/685x5InjYg=="
     },
     "pinkie": {
       "version": "2.0.4",
diff --git a/package.json b/package.json
index 0b946ab9..0dba388e 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "optimize-css-assets-webpack-plugin": "^5.0.0",
     "p-any": "^1.1.0",
     "performance-now": "^2.1.0",
-    "pify": "^3.0.0",
+    "pify": "^4.0.0",
     "quick-lru": "^1.1.0",
     "requestidlecallback": "^0.3.0",
     "sapper": "github:nolanlawson/sapper#for-pinafore-7",