diff --git a/nix/default.nix b/nix/default.nix
index 393ce79c9..31785b484 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -9,7 +9,7 @@ import sources.nixpkgs {
         vendorSha256 = "sha256-OAXWrwpartjgSP7oeNvDJ7cTR9lyYVNhEM8HUnv3acE=";
         doCheck = false;
       };
-      hermes = pkgs.callPackage ./hermes.nix { src = sources.ibc-rs; };
+      hermes = pkgs.callPackage ./hermes.nix { src = sources.hermes; };
     })
     (import "${sources.gomod2nix}/overlay.nix")
     (import ./build_overlay.nix)
diff --git a/nix/sources.json b/nix/sources.json
index cea7aad03..d6287e757 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -23,16 +23,16 @@
         "url": "https://github.com/nix-community/gomod2nix/archive/3cbf3a51fe32e2f57af4c52744e7228bab22983d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
-    "ibc-rs": {
+    "hermes": {
         "branch": "v1.1.0",
         "description": "IBC modules and relayer - Formal specifications and Rust implementation",
         "homepage": "",
         "owner": "informalsystems",
-        "repo": "ibc-rs",
+        "repo": "hermes",
         "rev": "0daa3e16431e748c96a3fa4ad5e9698074e09060",
         "sha256": "1fp4hz390fd4nlkrkzdmypy9i83i57l21hg7l0d9xi8h1hjginam",
         "type": "tarball",
-        "url": "https://github.com/informalsystems/ibc-rs/archive/0daa3e16431e748c96a3fa4ad5e9698074e09060.tar.gz",
+        "url": "https://github.com/informalsystems/hermes/archive/0daa3e16431e748c96a3fa4ad5e9698074e09060.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {