diff --git a/pkgs/development/libraries/libsignal-protocol-c/default.nix b/pkgs/development/libraries/libsignal-protocol-c/default.nix
new file mode 100644
index 000000000000..379361a7031e
--- /dev/null
+++ b/pkgs/development/libraries/libsignal-protocol-c/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchFromGitHub, cmake, openssl }:
+
+stdenv.mkDerivation rec {
+  name = "libsignal-protocol-c";
+  version = "2.3.2";
+
+  src = fetchFromGitHub {
+    owner = "signalapp";
+    repo = "libsignal-protocol-c";
+    rev = "v${version}";
+    sha256 = "1qj2w4csy6j9jg1jy66n1qwysx7hgjywk4n35hlqcnh1kpa14k3p";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ openssl ];
+
+  cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" ];
+
+  outputs = [ "out" "dev" ];
+
+  meta = with stdenv.lib; {
+    description = "Signal Protocol C Library";
+    homepage = https://github.com/signalapp/libsignal-protocol-c;
+    license = licenses.gpl3;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ orivej ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 75f595c7605a..887c57031114 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10388,6 +10388,8 @@ with pkgs;
 
   libserialport = callPackage ../development/libraries/libserialport { };
 
+  libsignal-protocol-c = callPackage ../development/libraries/libsignal-protocol-c { };
+
   libsoundio = callPackage ../development/libraries/libsoundio {
     inherit (darwin.apple_sdk.frameworks) AudioUnit;
   };