diff --git a/README.md b/README.md
index 11f45f5..b37e9ad 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A personal collection of unusual things
   * substituter: `https://attic.eleonora.gay/default`
   * public key:  `default:3FYh8sZV8gWa7Jc5jlP7gZFK7pt3kaHRiV70ySaQ42g=`
 
-## 52 Packages
+## 53 Packages
 
 | Name | Version | Description | Homepage |
 |------|---------|-------------|----------|
@@ -42,6 +42,7 @@ A personal collection of unusual things
 |`mspgcc-ti`|`9.3.1.11`|Open Source Compiler for MSP Microcontrollers|https://www.ti.com/tool/MSP430-GCC-OPENSOURCE|
 |`my-htop`|`5d778ea`|htop with sorting in tree mode fixed|https://htop.dev|
 |`nchess`|`0.0`|A curses based, UCI compatible, chess gui|https://github.com/spinojara/nchess|
+|`ncps`|`0.0.11`|Nix binary cache proxy service -- with local caching and signing|https://github.com/kalbasit/ncps|
 |`nvflash`|`5.833.0`|NVIDIA NVFlash is used to flash the graphics card BIOS on Ampere, Turing, Pascal and all older NVIDIA cards|https://www.techpowerup.com/download/nvidia-nvflash|
 |`pcr-oracle`|`0.5.4`|Predict TPM PCR values for future boot|https://github.com/okirch/pcr-oracle|
 |`photoview`|`v2.4.0`|Photo gallery for self-hosted personal servers|https://photoview.github.io|
diff --git a/packages/ncps.nix b/packages/ncps.nix
new file mode 100644
index 0000000..ead2b22
--- /dev/null
+++ b/packages/ncps.nix
@@ -0,0 +1,26 @@
+pkgs: pkgs.buildGoModule rec {
+  pname = "ncps";
+  version = "0.0.11";
+
+  src = (pkgs.fetchFromGitHub {
+    owner = "kalbasit";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-gtnG/DMRD5DYLHhb4+i4O8EHItQsnjccjHXSJ6PvUb8=";
+  }).overrideAttrs (old: {
+    postFetch = old.postFetch + ''
+      cd $out
+      find -name '*_test.go' -delete
+      rm -rf testdata devbox.lock
+    '';
+  });
+
+  ldflags = [ "-s" "-w" ];
+  vendorHash = "sha256-4aqS54T1iA4U0B3TATj+a6+inIKUg7XQLvq6U1P5mBs=";
+
+  meta = {
+    description = "Nix binary cache proxy service -- with local caching and signing";
+    homepage = "https://github.com/kalbasit/ncps";
+    mainProgram = pname;
+  };
+}