diff --git a/rebar.config b/rebar.config
index 8cd9ee7..27cfa1d 100644
--- a/rebar.config
+++ b/rebar.config
@@ -8,7 +8,7 @@
 
         %% Cuckoo CPU miners (not prebuilt).
         {aecuckoo, {git, "https://github.com/aeternity/aecuckoo.git",
-                    {ref, "a1bff574dd0a965d3f9f2e23f980bbead8b4638d"}}},
+                    {ref, "695fbbc"}}},
 
         %% This is used just in one place, just to get blake2b_256 hash.
         {enacl, {git, "https://github.com/aeternity/enacl.git",
diff --git a/rebar.lock b/rebar.lock
index 92e2469..91ae0e2 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,7 +1,7 @@
 {"1.1.0",
 [{<<"aecuckoo">>,
   {git,"https://github.com/aeternity/aecuckoo.git",
-      {ref,"a1bff574dd0a965d3f9f2e23f980bbead8b4638d"}},
+      {ref,"695fbbc8245dbadab7edf4e4a119f094a5a400d3"}},
   0},
  {<<"aecuckooprebuilt">>,
   {aecuckooprebuilt_app_with_priv_from_git,