diff --git a/manifest.dhall b/manifest.dhall
index 14fa3a5050b97c4765320271947572871fddc7b9..b135ba5fb910bfa6607b55866962a07c618a707b 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -576,6 +576,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "th-expand-syns" "0.4.10.0"
     , callHackage "th-extras" "0.0.0.6"
     , callHackage "th-lift-instances" "0.1.20"
+    , callHackage "th-reify-many" "0.1.10"
     , callHackage "tidal" "1.8.1"
     , callHackage "time-compat" "1.9.6.1"
     , callCabal2nix
diff --git a/overlay.nix b/overlay.nix
index a8e2d24cbfaa84d5f8a1a47ab3582a97acc81785..92eb2d1bf6c2bf6573c41576470f4e4714e480c4 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -779,6 +779,8 @@ final: prev: with pkgs.haskell.lib; {
 
   th-lift-instances = prev.callPackage (./pkgs/th-lift-instances.nix) { };
 
+  th-reify-many = prev.callPackage (./pkgs/th-reify-many.nix) { };
+
   these = prev.callPackage (./pkgs/these.nix) { };
 
   these-skinny = prev.callPackage (./pkgs/these-skinny.nix) { };
diff --git a/pkgs/th-reify-many.nix b/pkgs/th-reify-many.nix
new file mode 100644
index 0000000000000000000000000000000000000000..cd5fa8c3e5d8c0f03a3bc67c3cdb327786fc01d4
--- /dev/null
+++ b/pkgs/th-reify-many.nix
@@ -0,0 +1,37 @@
+{ mkDerivation
+, base
+, containers
+, lib
+, mtl
+, safe
+, template-haskell
+, th-expand-syns
+}:
+mkDerivation {
+  pname = "th-reify-many";
+  version = "0.1.10";
+  sha256 = "9d250e61242f2fb887dedc9d28c0141832ff256e63bebc2bf5abff81037be4a5";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [
+    base
+    containers
+    mtl
+    safe
+    template-haskell
+    th-expand-syns
+  ];
+  testHaskellDepends = [ base template-haskell ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "http://github.com/mgsloan/th-reify-many";
+  description = "Recurseively reify template haskell datatype info";
+  license = lib.licenses.bsd3;
+  broken = false;
+}