diff --git a/package-lock.json b/package-lock.json
index a108632..3ddd856 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -450,7 +450,7 @@
     "node_modules/sigmund": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
-      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA="
+      "integrity": "sha512-fCvEXfh6NWpm+YSuY2bpXb/VIihqWA6hLsgboC+0nl71Q7N7o2eaCW8mJa/NLvQhs6jpd3VZV4UiUQlV6+lc8g=="
     },
     "node_modules/toposort-class": {
       "version": "1.0.1",
@@ -823,7 +823,7 @@
     "sigmund": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
-      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA="
+      "integrity": "sha512-fCvEXfh6NWpm+YSuY2bpXb/VIihqWA6hLsgboC+0nl71Q7N7o2eaCW8mJa/NLvQhs6jpd3VZV4UiUQlV6+lc8g=="
     },
     "toposort-class": {
       "version": "1.0.1",