diff --git a/packages.json b/packages.json
index 8bade36..27531d8 100644
--- a/packages.json
+++ b/packages.json
@@ -8215,5 +8215,17 @@
     "description": "String interning library",
     "license": "MIT",
     "web": "https://github.com/pragmagic/names"
+  },
+  {
+    "name": "sha1ext",
+    "url": "https://github.com/CORDEA/sha1ext",
+    "method": "git",
+    "tags": [
+      "sha1",
+      "extension"
+    ],
+    "description": "std / sha1 extension",
+    "license": "Apache License 2.0",
+    "web": "https://github.com/CORDEA/sha1ext"
   }
 ]