diff --git a/manifest.dhall b/manifest.dhall
index 82deff7f034559ae6befc45bf3a483b260efafd4..73bde5ece7d9d0193ac213a6f865afe0f430097c 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -745,6 +745,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "uniplate" "1.6.13"
     , callHackage "universe-base" "1.1.3"
     , callHackage "unix-compat" "0.6"
+    , callHackage "unix-time" "0.4.8"
     , callHackage "unliftio-core" "0.2.0.1"
     , callHackage "unliftio" "0.2.23.0"
     , callHackage "unordered-containers" "0.2.19.1"
diff --git a/overlay.nix b/overlay.nix
index 6efca026468b6338bb0359ffe443a36a7d838a69..100eaf9f16b77c01e9dbe355c33bfe841973d669 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -1125,6 +1125,8 @@ self: with pkgs.haskell.lib; {
 
   unix-compat = self.callPackage (./pkgs/unix-compat.nix) { };
 
+  unix-time = self.callPackage (./pkgs/unix-time.nix) { };
+
   unliftio = self.callPackage (./pkgs/unliftio.nix) { };
 
   unliftio-core = self.callPackage (./pkgs/unliftio-core.nix) { };
diff --git a/pkgs/unix-time.nix b/pkgs/unix-time.nix
new file mode 100644
index 0000000000000000000000000000000000000000..2c65b6b6c8a840afb0e4bd0f95b0a15e04dcaffc
--- /dev/null
+++ b/pkgs/unix-time.nix
@@ -0,0 +1,41 @@
+{ mkDerivation
+, base
+, binary
+, bytestring
+, hspec
+, hspec-discover
+, lib
+, old-locale
+, old-time
+, QuickCheck
+, time
+}:
+mkDerivation {
+  pname = "unix-time";
+  version = "0.4.8";
+  sha256 = "fedeb6a11bcb5396f50a30166a6bb05e56fc9866be4066718404bd8940ace843";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base binary bytestring old-time ];
+  testHaskellDepends = [
+    base
+    bytestring
+    hspec
+    old-locale
+    old-time
+    QuickCheck
+    time
+  ];
+  testToolDepends = [ hspec-discover ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  description = "Unix time parser/formatter and utilities";
+  license = lib.licenses.bsd3;
+  broken = false;
+}