diff --git a/rebar.config b/rebar.config
index 8b5ca79..5cf7f42 100644
--- a/rebar.config
+++ b/rebar.config
@@ -6,7 +6,7 @@
 
 {deps, [
   {foil, "0.1.3"},
-  {granderl, {git, "https://github.com/tokenrove/granderl.git", {ref, "e1ec2ea981e6aa9a36ad4bc291b0b56c39e1e646"}}},
+  {granderl, {git, "https://github.com/tokenrove/granderl.git", {ref, "baafd1bc825cb1fc022760eae913f774fa6af91b"}}},
   {metal, "0.1.1"}
 ]}.
 
@@ -22,10 +22,10 @@
 
 {erl_opts, [
   debug_info,
-  {platform_define, "^21.3|^22|^23|^24|^25", 'ATOMICS'},
-  {platform_define, "^23|^24|^25", 'DECENTRALIZED_COUNTERS'},
+  {platform_define, "^21.3|^22|^23|^24|^25|^26", 'ATOMICS'},
+  {platform_define, "^23|^24|^25|^26", 'DECENTRALIZED_COUNTERS'},
   {platform_define, "^18|^19|^2", 'ETS_TAKE'},
-  {platform_define, "^21|^22|^23|^24|^25", 'SSL_HANDSHAKE'}
+  {platform_define, "^21|^22|^23|^24|^25|^26", 'SSL_HANDSHAKE'}
 ]}.
 
 {plugins, [rebar3_hex]}.
diff --git a/rebar.lock b/rebar.lock
index 51990ac..63b703a 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -2,7 +2,7 @@
 [{<<"foil">>,{pkg,<<"foil">>,<<"0.1.3">>},0},
  {<<"granderl">>,
   {git,"https://github.com/tokenrove/granderl.git",
-       {ref,"e1ec2ea981e6aa9a36ad4bc291b0b56c39e1e646"}},
+       {ref,"baafd1bc825cb1fc022760eae913f774fa6af91b"}},
   0},
  {<<"metal">>,{pkg,<<"metal">>,<<"0.1.1">>},0}]}.
 [
diff --git a/test/arithmetic_ssl_client.erl b/test/arithmetic_ssl_client.erl
index de922a3..82c9f19 100644
--- a/test/arithmetic_ssl_client.erl
+++ b/test/arithmetic_ssl_client.erl
@@ -67,7 +67,8 @@ start(PoolOptions) ->
         {reconnect_time_min, 1},
         {socket_options, [
             binary,
-            {packet, raw}
+            {packet, raw},
+            {verify, verify_none}
         ]}
     ], PoolOptions).