diff --git a/pkgs/tools/security/minisign/default.nix b/pkgs/tools/security/minisign/default.nix
index ed226994a31..b67b65b0cf8 100644
--- a/pkgs/tools/security/minisign/default.nix
+++ b/pkgs/tools/security/minisign/default.nix
@@ -1,17 +1,17 @@
-{ stdenv, fetchFromGitHub, cmake, libsodium }:
+{ stdenv, fetchFromGitHub, cmake, pkg-config, libsodium }:
 
 stdenv.mkDerivation rec {
   pname = "minisign";
-  version = "0.8";
+  version = "0.9";
 
   src = fetchFromGitHub {
     repo = "minisign";
     owner = "jedisct1";
     rev = version;
-    sha256 = "0rgg9jb5108hd5psivlrfd8cxnjylawm0glcry8ba6zlmkv949r8";
+    sha256 = "0qx3hnkwx6ij0hgp5vc74x36qfc4h5wgzr70fqqhmv3zb8q9f2vn";
   };
 
-  nativeBuildInputs = [ cmake ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ libsodium ];
 
   meta = with stdenv.lib; {