diff --git a/pkgs/development/coq-modules/ITree/default.nix b/pkgs/development/coq-modules/ITree/default.nix
new file mode 100644
index 00000000000..31fea99cb84
--- /dev/null
+++ b/pkgs/development/coq-modules/ITree/default.nix
@@ -0,0 +1,17 @@
+{ lib, mkCoqDerivation, coq, version ? null , paco, coq-ext-lib }:
+
+with lib; mkCoqDerivation rec {
+  pname = "ITree";
+  owner = "DeepSpec";
+  inherit version;
+  defaultVersion = with versions; switch coq.coq-version [
+    { case = range "8.10" "8.13";  out = "4.0.0"; }
+  ] null;
+  release."4.0.0".sha256 = "0h5rhndl8syc24hxq1gch86kj7mpmgr89bxp2hmf28fd7028ijsm";
+  releaseRev = v: "${v}";
+  propagatedBuildInputs = [ coq-ext-lib paco ];
+  meta = {
+    description = "A Library for Representing Recursive and Impure Programs in Coq";
+    maintainers = with maintainers; [ larsr ];
+  };
+}
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 44d7301c7b9..e533d5aace1 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -42,6 +42,7 @@ let
       interval = callPackage ../development/coq-modules/interval {};
       InfSeqExt = callPackage ../development/coq-modules/InfSeqExt {};
       iris = callPackage ../development/coq-modules/iris {};
+      ITree = callPackage ../development/coq-modules/ITree { };
       ltac2 = callPackage ../development/coq-modules/ltac2 {};
       math-classes = callPackage ../development/coq-modules/math-classes { };
       mathcomp = callPackage ../development/coq-modules/mathcomp {};