diff --git a/package.json b/package.json
index d481b96..14abae4 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "prettier": "^1.18.2",
     "read-pkg": "^5.2.0",
     "semver": "^6.3.0",
-    "ssri": "^6.0.1",
+    "ssri": "^8.0.1",
     "string.prototype.padend": "^3.0.0",
     "terser-webpack-plugin": "^1.4.1",
     "thread-loader": "^2.1.3",
diff --git a/yarn.lock b/yarn.lock
index d9dec05..f566720 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4741,6 +4741,13 @@ minipass@^2.2.1, minipass@^2.3.5:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
+minipass@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-3.1.3.tgz#7d42ff1f39635482e15f9cdb53184deebd5815fd"
+  integrity sha512-Mgd2GdMVzY+x3IJ+oHnVM+KG3lA5c8tnabyJKmHSaG2kAGpudxuOf8ToDkhumF7UzME7DecbQE9uOZhNm7PuJg==
+  dependencies:
+    yallist "^4.0.0"
+
 minizlib@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
@@ -6773,6 +6780,13 @@ ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
+ssri@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-8.0.1.tgz#638e4e439e2ffbd2cd289776d5ca457c4f51a2af"
+  integrity sha512-97qShzy1AiyxvPNIkLWoGua7xoQzzPjQ0HAH4B0rWKo7SZ6USuPcrUiAFrws0UH8RrbWmgq3LMTObhPIHbbBeQ==
+  dependencies:
+    minipass "^3.1.1"
+
 stable@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"
@@ -7731,6 +7745,11 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yargs-parser@^11.1.1:
   version "11.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-11.1.1.tgz#879a0865973bca9f6bab5cbdf3b1c67ec7d3bcf4"