diff --git a/pkgs/nim-packages/groupchat.nix b/pkgs/nim-packages/groupchat.nix
index 523bb1e..bb15434 100644
--- a/pkgs/nim-packages/groupchat.nix
+++ b/pkgs/nim-packages/groupchat.nix
@@ -6,8 +6,8 @@ let
     version = "0.1.0";
     src = fetchgit {
       url =  https://git.gnunet.org/gnunet-nim.git;
-      rev = "1fce7e265d2c896cc5c385c4cd818e399121f822";
-      sha256 = "19qkw0ga109570w1l7pwgv68dvy8mz2c8q78ijkc3xsx6y3rizb2";
+      rev = "38c51715cfe0b2c6cdc662cffcc8de2eec8d28a9";
+      sha256 = "12lqcf2zlw8gvynzignrv30vlv8zi6imnzvlqfw5m57szcpv9q0h";
     };
     
     buildInputs = [ gnunet ];
@@ -19,8 +19,8 @@ buildNimblePackage rec {
 
   src = fetchgit {
     url =  https://git.gnunet.org/groupchat.git;
-    rev = "4f646aab73ad5e5dea7b925cae9e0505aeaa8f72";
-    sha256 = "1yw69jyzfn0ilnlwpz5pm0z8f5z46423401c4krg66l6b1n4k0xz";
+    rev = "49b5421635766faea9137de77a3e84a89527f867";
+    sha256 = "0l3z5590bvmri3qhckibvywa89q6qg3kv8ly98232bvvxkinwzlq";
   };
 
   nimDeps = [ gnunet_nim ];