diff --git a/manifest.dhall b/manifest.dhall
index c31ecd5e02834044b69a1467eda39e6731ce1754..ad4487353252131cde3e4eef6c8299eb7ab3c8ef 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -95,6 +95,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "autodocodec-yaml" "0.2.0.2"
     , callHackage "barbies" "2.0.3.1"
     , callHackage "basement" "0.0.15"
+    , callHackage "base16-bytestring" "1.0.2.0"
     , callHackage "base64" "0.4.2.4"
     , callHackage "base-compat" "0.12.2"
     , callHackage "base-compat-batteries" "0.12.2"
diff --git a/overlay.nix b/overlay.nix
index d894bca7fa4389d9f7e9b39ac7cd005b63de3f06..d03c6b4249e854287ad2f7538f0b9ebd8b0f4886 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -75,6 +75,8 @@ self: with pkgs.haskell.lib; {
 
   base-compat-batteries = self.callPackage (./pkgs/base-compat-batteries.nix) { };
 
+  base16-bytestring = self.callPackage (./pkgs/base16-bytestring.nix) { };
+
   base64 = self.callPackage (./pkgs/base64.nix) { };
 
   basement = self.callPackage (./pkgs/basement.nix) { };
diff --git a/pkgs/base16-bytestring.nix b/pkgs/base16-bytestring.nix
new file mode 100644
index 0000000000000000000000000000000000000000..97580774638a62ea7f70986860af67ad0d03fa28
--- /dev/null
+++ b/pkgs/base16-bytestring.nix
@@ -0,0 +1,42 @@
+{ mkDerivation
+, base
+, bytestring
+, criterion
+, deepseq
+, HUnit
+, lib
+, QuickCheck
+, test-framework
+, test-framework-hunit
+, test-framework-quickcheck2
+}:
+mkDerivation {
+  pname = "base16-bytestring";
+  version = "1.0.2.0";
+  sha256 = "1d5a91143ef0e22157536093ec8e59d226a68220ec89378d5dcaeea86472c784";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base bytestring ];
+  testHaskellDepends = [
+    base
+    bytestring
+    HUnit
+    QuickCheck
+    test-framework
+    test-framework-hunit
+    test-framework-quickcheck2
+  ];
+  benchmarkHaskellDepends = [ base bytestring criterion deepseq ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "http://github.com/haskell/base16-bytestring";
+  description = "RFC 4648-compliant Base16 encodings for ByteStrings";
+  license = lib.licenses.bsd3;
+  broken = false;
+}