diff --git a/flake.lock b/flake.lock
index 867c1c9..81e81cf 100755
--- a/flake.lock
+++ b/flake.lock
@@ -70,6 +70,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable_2": {
+      "locked": {
+        "lastModified": 1787753485,
+        "narHash": "sha256-BZWCi9ZRJiARTuKTbbtvFTj7t1TK4G3UEckT3HyNfRg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "062346a6d85bc4b49dfaa61c986e9c5be21217d1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-26.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1787498568,
@@ -102,6 +118,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1787736819,
+        "narHash": "sha256-cV5xEJJK3BvhU8rEd4mC9UsmDi5qscv/kzGPhBRC5WA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9fbb54b33e91ee4ca368e35a78e0613c720600b3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixvim": {
       "inputs": {
         "flake-parts": "flake-parts",
@@ -127,7 +159,27 @@
         "btc-clients": "btc-clients",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-stable": "nixpkgs-stable",
-        "nixvim": "nixvim"
+        "nixvim": "nixvim",
+        "sovran-bitcoin": "sovran-bitcoin"
+      }
+    },
+    "sovran-bitcoin": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_4",
+        "nixpkgs-stable": "nixpkgs-stable_2"
+      },
+      "locked": {
+        "lastModified": 1788191399,
+        "narHash": "sha256-2m3eeQvPGPjcegG1+C1LnfjQ5DGJTra9Aw2RFThzT1A=",
+        "owner": "naturallaw777",
+        "repo": "Sovran_Bitcoin",
+        "rev": "f4e86564418bee335fd230387f07abb9c6632f65",
+        "type": "github"
+      },
+      "original": {
+        "owner": "naturallaw777",
+        "repo": "Sovran_Bitcoin",
+        "type": "github"
       }
     },
     "systems": {