diff --git a/manifest.dhall b/manifest.dhall
index 72318904a5b72dd5098080ce7b980f0e6e59e0f5..d3d61f6b46c1219b2aa1e4d6de77d2c417c05242 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -189,6 +189,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "daemons" "0.3.0"
     , callHackage "data-clist" "0.2"
     , callHackage "data-default-class" "0.1.2.0"
+    , callHackage "data-default-instances-old-locale" "0.0.1"
     , callHackage "data-fix" "0.3.2"
     , callHackage "data-sketches" "0.3.1.0"
     , callHackage "data-sketches-core" "0.1.0.0"
diff --git a/overlay.nix b/overlay.nix
index 124997ddf6ff7ddb623e4eaf9e28e41d974dc9b0..aa9b26a2ab03c7f6914805c6774972031c3b5ada 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -221,6 +221,8 @@ self: with pkgs.haskell.lib; {
 
   data-default-class = self.callPackage (./pkgs/data-default-class.nix) { };
 
+  data-default-instances-old-locale = self.callPackage (./pkgs/data-default-instances-old-locale.nix) { };
+
   data-fix = self.callPackage (./pkgs/data-fix.nix) { };
 
   data-sketches = self.callPackage (./pkgs/data-sketches.nix) { };
diff --git a/pkgs/data-default-instances-old-locale.nix b/pkgs/data-default-instances-old-locale.nix
new file mode 100644
index 0000000000000000000000000000000000000000..254236df4e4513b2332bd6fbd84161818572fc0d
--- /dev/null
+++ b/pkgs/data-default-instances-old-locale.nix
@@ -0,0 +1,20 @@
+{ mkDerivation, base, data-default-class, lib, old-locale }:
+mkDerivation {
+  pname = "data-default-instances-old-locale";
+  version = "0.0.1";
+  sha256 = "60d3b02922958c4908d7bf2b24ddf61511665745f784227d206745784b0c0802";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base data-default-class old-locale ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  description = "Default instances for types in old-locale";
+  license = lib.licenses.bsd3;
+  broken = false;
+}