diff --git a/manifest.dhall b/manifest.dhall
index 67c8b49b23bde62e35eb663d6760d37e96bf4e2a..b92a219b97eb3e0e21189de692b561f3d9a65d05 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -372,6 +372,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "unordered-containers" "0.2.19.1"
     , callHackage "validity" "0.12.0.1"
     , callHackage "validity-aeson" "0.2.0.5"
+    , callHackage "validity-bytestring" "0.4.1.1"
     , 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 95d9554fa19b68c1d5806d74491b0fe43edff4d7..9a8cc230c8b122122dfd352c4603de17284702ee 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -481,6 +481,8 @@ final: prev: with pkgs.haskell.lib; {
 
     validity-aeson = prev.callPackage (./pkgs/validity-aeson.nix) { };
 
+    validity-bytestring = prev.callPackage (./pkgs/validity-bytestring.nix) { };
+
     vault = prev.callPackage (./pkgs/vault.nix) { };
 
     vector = prev.callPackage (./pkgs/vector.nix) { };
diff --git a/pkgs/validity-bytestring.nix b/pkgs/validity-bytestring.nix
new file mode 100644
index 0000000000000000000000000000000000000000..8682ceaacf7815cfb7aa9787c06629d2f35d5fc5
--- /dev/null
+++ b/pkgs/validity-bytestring.nix
@@ -0,0 +1,14 @@
+{ mkDerivation, base, bytestring, lib, validity }:
+mkDerivation {
+  pname = "validity-bytestring";
+  version = "0.4.1.1";
+  sha256 = "7db8912c29ceff3fd8943a61845f9c0738d7238ca49bce2e6f3c6bc490bd6732";
+  libraryHaskellDepends = [ base bytestring validity ];
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/NorfairKing/validity#readme";
+  description = "Validity instances for bytestring";
+  license = lib.licenses.mit;
+}
\ No newline at end of file