diff --git a/pkgs/development/nim-packages/safeset/default.nix b/pkgs/development/nim-packages/safeset/default.nix
new file mode 100644
index 00000000000..df613143e9a
--- /dev/null
+++ b/pkgs/development/nim-packages/safeset/default.nix
@@ -0,0 +1,22 @@
+{ lib, buildNimPackage, fetchFromGitHub }:
+buildNimPackage rec {
+  pname = "safeset";
+
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "avahe-kellenberger";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-ZLdStoNVoQhRkD2iEzKxhs1UPfgnbJM9QCDHdjH7vTU=";
+  };
+
+  doCheck = true;
+
+  meta = with lib;
+    src.meta // {
+      description = "safeset library for nim";
+      license = [ licenses.gpl2 ];
+      maintainers = [ maintainers.marcusramberg ];
+    };
+}
diff --git a/pkgs/top-level/nim-packages.nix b/pkgs/top-level/nim-packages.nix
index 783e1f7d7a9..cfa4345ff23 100644
--- a/pkgs/top-level/nim-packages.nix
+++ b/pkgs/top-level/nim-packages.nix
@@ -83,6 +83,8 @@ lib.makeScope newScope (self:
       inherit (pkgs) rocksdb;
     };
 
+    safeset = callPackage ../development/nim-packages/safeset { };
+
     sass = callPackage ../development/nim-packages/sass { };
 
     sdl2 = callPackage ../development/nim-packages/sdl2 { };