diff --git a/manifest.dhall b/manifest.dhall
index cba2360d6cb921d818937e172ce5aeb3a8efcb12..815a70fa40d3a2f732092a2f739ae7ef0fd48401 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -381,6 +381,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "validity-scientific" "0.2.0.3"
     , callHackage "validity-text" "0.3.1.3"
     , callHackage "validity-time" "0.5.0.0"
+    , callHackage "validity-unordered-containers" "0.2.0.3"
     , callHackage "vault" "0.3.1.5"
     , callHackage "vector" "0.13.0.0"
     , callHackage "vector-algorithms" "0.9.0.1"
diff --git a/overlay.nix b/overlay.nix
index c26f3b909b95055d0733453ddb045db1b9fa208a..b415555822d62b738813a9ecbe74331b73734818 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -499,6 +499,8 @@ final: prev: with pkgs.haskell.lib; {
 
     validity-time = prev.callPackage (./pkgs/validity-time.nix) { };
 
+    validity-unordered-containers = prev.callPackage (./pkgs/validity-unordered-containers.nix) { };
+
     vault = prev.callPackage (./pkgs/vault.nix) { };
 
     vector = prev.callPackage (./pkgs/vector.nix) { };
diff --git a/pkgs/validity-unordered-containers.nix b/pkgs/validity-unordered-containers.nix
new file mode 100644
index 0000000000000000000000000000000000000000..14ec2d646e81115a512ed1c76b1fa43b00300bf2
--- /dev/null
+++ b/pkgs/validity-unordered-containers.nix
@@ -0,0 +1,17 @@
+{ mkDerivation, base, hashable, lib, unordered-containers, validity
+}:
+mkDerivation {
+  pname = "validity-unordered-containers";
+  version = "0.2.0.3";
+  sha256 = "f20d6b20b9695379f3478b357cd7c0968c3726ef4336eb0c652b84a34e332a87";
+  libraryHaskellDepends = [
+    base hashable unordered-containers validity
+  ];
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/NorfairKing/validity#readme";
+  description = "Validity instances for unordered-containers";
+  license = lib.licenses.mit;
+}
\ No newline at end of file