diff --git a/pkgs/development/nim-packages/safeseq/default.nix b/pkgs/development/nim-packages/safeseq/default.nix
new file mode 100644
index 000000000000..d2c8a5dfb846
--- /dev/null
+++ b/pkgs/development/nim-packages/safeseq/default.nix
@@ -0,0 +1,21 @@
+{ lib, buildNimPackage, fetchFromGitHub }:
+buildNimPackage rec {
+  pname = "safeseq";
+
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "avahe-kellenberger";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-JSz2TPrbl5N8l+YDquad78aJMBsx+Lise27cMQKMdAc=";
+  };
+
+
+  meta = with lib;
+    src.meta // {
+      description = "safeseq 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 5527b9a75e58..640a4c854bfe 100644
--- a/pkgs/top-level/nim-packages.nix
+++ b/pkgs/top-level/nim-packages.nix
@@ -96,6 +96,8 @@ lib.makeScope newScope (self:
       inherit (pkgs) rocksdb;
     };
 
+    safeseq = callPackage ../development/nim-packages/safeseq { };
+
     safeset = callPackage ../development/nim-packages/safeset { };
 
     sass = callPackage ../development/nim-packages/sass { };