diff --git a/src/gmminer_pow_cuckoo.erl b/src/gmminer_pow_cuckoo.erl
index b654933..110f954 100644
--- a/src/gmminer_pow_cuckoo.erl
+++ b/src/gmminer_pow_cuckoo.erl
@@ -34,6 +34,8 @@
          get_target/2
         ]).
 
+-export([ set_edge_bits/2 ]).
+
 -export_type([hashable/0,
               hash/0,
               exec/0,
@@ -159,6 +161,11 @@ hex_enc_header(#config{hex_enc_header = HexEncHdr}) ->
 hash_data(Data) ->
     gmminer_blake2b_256:hash(Data).
 
+-spec set_edge_bits(edge_bits(), config()) -> config().
+set_edge_bits(Bits, Config)
+  when is_integer(Bits), Bits > 0, is_record(Config, config) ->
+    Config#config{edge_bits = Bits}.
+
 %%------------------------------------------------------------------------------
 %% Proof of Work generation with default settings
 %%