diff --git a/pkgs/development/nim-packages/atlas/default.nix b/pkgs/development/nim-packages/atlas/default.nix
index aae8d6a16244..b1c22e776ab5 100644
--- a/pkgs/development/nim-packages/atlas/default.nix
+++ b/pkgs/development/nim-packages/atlas/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildNimPackage, fetchFromGitHub }:
+{ lib, buildNimPackage, fetchFromGitHub, openssl }:
 
 buildNimPackage (final: prev: {
   pname = "atlas";
@@ -10,6 +10,7 @@ buildNimPackage (final: prev: {
     rev = "ab22f997c22a644924c1a9b920f8ce207da9b77f";
     hash = "sha256-TsZ8TriVuKEY9/mV6KR89eFOgYrgTqXmyv/vKu362GU=";
   };
+  buildInputs = [ openssl ];
   prePatch = ''
     rm config.nims
   ''; # never trust a .nims file