diff --git a/pkgs/development/coq-modules/ITree/default.nix b/pkgs/development/coq-modules/ITree/default.nix
index ae43722a5e6d..df41ab6e1618 100644
--- a/pkgs/development/coq-modules/ITree/default.nix
+++ b/pkgs/development/coq-modules/ITree/default.nix
@@ -5,9 +5,10 @@ mkCoqDerivation rec {
   owner = "DeepSpec";
   inherit version;
   defaultVersion = with lib.versions; lib.switch coq.version [
-    { case = range "8.13" "8.17";  out = "5.1.0"; }
+    { case = range "8.13" "8.17";  out = "5.1.1"; }
     { case = range "8.10" "8.16";  out = "4.0.0"; }
   ] null;
+  release."5.1.1".sha256 = "sha256-VlmPNwaGkdWrH7Z6DGXRosGtjuuQ+FBiGcadN2Hg5pY=";
   release."5.1.0".sha256 = "sha256-ny7Mi1KgWADiFznkNJiRgD7Djc5SUclNgKOmWRxK+eo=";
   release."4.0.0".sha256 = "0h5rhndl8syc24hxq1gch86kj7mpmgr89bxp2hmf28fd7028ijsm";
   releaseRev = v: "${v}";