diff --git a/nix/jormungandr.nix b/nix/jormungandr.nix
index 29cfc3ed421..643371cdc49 100644
--- a/nix/jormungandr.nix
+++ b/nix/jormungandr.nix
@@ -37,9 +37,9 @@ let
   release = rec {
     version = "0.7.0-rc4";
     # Git revision of input-output-hk/jormungandr repo.
-    rev = "v${version}";
+    rev = "71baaff2b1fabf5ac559c821eb3d53050b703baf";
     # Hash of git repo and all of its submodules.
-    sha256 = "1cjdapy0r2bikqck64cl09vzs307wcfi628hfmpczrg33i81pr3g";
+    sha256 = "0qg5mcps3w8bibgfqhff3f3hiyn8svgwlh31kvhgw2gfls46vhdg";
     # Hash of all Cargo dependencies.
     cargoSha256 = "0546ahgwcczaxda1hc1r20skzi93s40isq2ys40y9165sgdydn4i";
   };