diff --git a/packages.json b/packages.json
index 43fda46..9a98f53 100644
--- a/packages.json
+++ b/packages.json
@@ -27363,6 +27363,19 @@
     "license": "MIT",
     "web": "https://github.com/d4rckh/nim-tlv"
   },
+  {
+    "name": "shiftfields",
+    "url": "https://github.com/sumatoshi/shiftfields",
+    "method": "git",
+    "tags": [
+      "bitfield",
+      "bitfields",
+      "library"
+    ],
+    "description": "ShiftField type and sugar for c-style shift bitfields in nim.",
+    "license": "MIT",
+    "web": "https://github.com/sumatoshi/shiftfields"
+  },
   {
     "name": "ndup",
     "url": "https://github.com/c-blake/ndup",