diff --git a/pkgs/nim-packages/groupchat.nix b/pkgs/nim-packages/groupchat.nix
index 7bfcde0..1b54c56 100644
--- a/pkgs/nim-packages/groupchat.nix
+++ b/pkgs/nim-packages/groupchat.nix
@@ -19,8 +19,8 @@ buildNimblePackage rec {
 
   src = fetchgit {
     url =  https://git.gnunet.org/groupchat.git;
-    rev = "15c4d7e6e3b5691e43a7b85748c1e123d288e8f7";
-    sha256 = "1f48xm7fhxlx1bxiv1h607p385mlr6fd8sxm2h6gynnsnmh8wgg5";
+    rev = "1506051e92a3e4ded8f218a63e329ffccb53bebc";
+    sha256 = "1srabvlr703fmsz4rm12mq81bc2njm0wb36w24vclcyz5cd26191";
   };
 
   nimDeps = [ gnunet_nim ];