diff --git a/manifest.dhall b/manifest.dhall
index c2811c460ef8d2d19d8c354252ffdb4ebf6559ee..88b2c989af4cfbffabbfeb370b6d4cf469f0f603 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -140,6 +140,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "cmdargs" "0.10.21"
     , callHackage "co-log-core" "0.3.1.0"
     , callHackage "co-log-polysemy" "0.0.1.3"
+    , callHackage "code-page" "0.2.1"
     , callHackage "colour" "2.3.6"
     , callHackage "colourista" "0.1.0.1"
     , callHackage "commonmark-extensions" "0.2.3.3"
diff --git a/overlay.nix b/overlay.nix
index 2ad446b4654d4841e2b2b5cab7652baea5754bb5..995c4b28cf927ab5f583e28a385f9438db83c777 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -155,6 +155,8 @@ self: with pkgs.haskell.lib; {
 
   co-log-polysemy = self.callPackage (./pkgs/co-log-polysemy.nix) { };
 
+  code-page = self.callPackage (./pkgs/code-page.nix) { };
+
   colour = self.callPackage (./pkgs/colour.nix) { };
 
   colourista = self.callPackage (./pkgs/colourista.nix) { };
diff --git a/pkgs/code-page.nix b/pkgs/code-page.nix
new file mode 100644
index 0000000000000000000000000000000000000000..9b39a9c9a24f8b10471aa7afb490da52634c65e5
--- /dev/null
+++ b/pkgs/code-page.nix
@@ -0,0 +1,22 @@
+{ mkDerivation, base, lib }:
+mkDerivation {
+  pname = "code-page";
+  version = "0.2.1";
+  sha256 = "b2f90e19c61ed8a6ff7295f7f123d4a9913c790d4cf2c6029bc299293fdb2aaa";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base ];
+  testHaskellDepends = [ base ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/RyanGlScott/code-page";
+  description = "Windows code page library for Haskell";
+  license = lib.licenses.bsd3;
+  broken = false;
+}