diff --git a/configs/packages.nix b/configs/packages.nix
index 039bfea..987a7a5 100644
--- a/configs/packages.nix
+++ b/configs/packages.nix
@@ -79,14 +79,18 @@ in with pkgs;
       fontaxes
       ifnextok
       imakeidx
+      hardwrap
+      titlesec
       libertine
       logreq
       marginnote
       mweights
+      realscripts
       pbox
       stdclsdv
       xstring;
-     })
+    })
+    (callPackage ../packages/daybook {})
     audacity
     cabal-install
     cabal2nix
diff --git a/packages/daybook/default.nix b/packages/daybook/default.nix
new file mode 100644
index 0000000..f7fa4b1
--- /dev/null
+++ b/packages/daybook/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, makeWrapper, pandoc, fetchFromGitHub }:
+stdenv.mkDerivation {
+  name = "daybook";
+  src = fetchFromGitHub {
+    owner = "kmein";
+    repo = "daybook";
+    rev = "370c62bc19d514efc55451fca19d6aa26ba5e893";
+    sha256 = "0dqah4ml561xbizkbah0s7n4mqn7y5dcpwbp3x7cj5ypr7y225gp";
+  };
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ pandoc ];
+  buildPhase = ''
+    pandoc --standalone --to man daybook.1.md -o daybook.1
+  '';
+  installPhase = ''
+    mkdir -p $out/{bin,share/man/man1}
+    install daybook.1 $out/share/man/man1
+    install daybook $out/bin
+    wrapProgram $out/bin/daybook --prefix PATH ":" ${pandoc}/bin ;
+  '';
+  meta = with stdenv.lib; {
+    homepage = https://github.com/kmein/daybook;
+    description = "A diary writing utility in sh";
+    license = licenses.mit;
+  };
+}