diff --git a/pkgs/development/coq-modules/addition-chains/default.nix b/pkgs/development/coq-modules/addition-chains/default.nix
index 929d23c81869..c6b6f79bf017 100644
--- a/pkgs/development/coq-modules/addition-chains/default.nix
+++ b/pkgs/development/coq-modules/addition-chains/default.nix
@@ -8,11 +8,12 @@ mkCoqDerivation {
 
   release."0.4".sha256 = "1f7pc4w3kir4c9p0fjx5l77401bx12y72nmqxrqs3qqd3iynvqlp";
   release."0.5".sha256 = "121pcbn6v59l0c165ha9n00whbddpy11npx2y9cn7g879sfk2nqk";
+  release."0.6".sha256 = "1dri4sisa7mhclf8w4kw7ixs5zxm8xyjr034r1377p96rdk3jj0j";
   releaseRev = (v: "v${v}");
 
   inherit version;
   defaultVersion = with versions; switch coq.coq-version [
-    { case = range "8.13" "8.14"; out = "0.5"; }
+    { case = range "8.13" "8.15"; out = "0.6"; }
     { case = range "8.11" "8.12"; out = "0.4"; }
   ] null;