diff --git a/libraries/wallet/include/graphene/wallet/wallet.hpp b/libraries/wallet/include/graphene/wallet/wallet.hpp
index 20c46065..689bf1c6 100644
--- a/libraries/wallet/include/graphene/wallet/wallet.hpp
+++ b/libraries/wallet/include/graphene/wallet/wallet.hpp
@@ -1647,6 +1647,15 @@ class wallet_api
               asset_id_type asset_id,
               bool broadcast = false);
 
+      signed_transaction propose_update_betting_market_group(
+              const string& proposing_account,
+              fc::time_point_sec expiration_time,
+              betting_market_group_id_type betting_market_group_id,
+              fc::optional<internationalized_string_type> description,
+              fc::optional<object_id_type> event_id,
+              fc::optional<object_id_type> rules_id,
+              bool broadcast = false);
+
       signed_transaction propose_create_betting_market(
               const string& proposing_account,
               fc::time_point_sec expiration_time,
@@ -1654,6 +1663,14 @@ class wallet_api
               internationalized_string_type payout_condition,
               bool broadcast = false);
 
+      signed_transaction propose_update_betting_market(
+              const string& proposing_account,
+              fc::time_point_sec expiration_time,
+              betting_market_id_type market_id,
+              fc::optional<object_id_type> group_id,
+              fc::optional<internationalized_string_type> payout_condition,
+              bool broadcast = false);
+
       signed_transaction place_bet(
               const string& betting_account,
               betting_market_id_type betting_market_id,
diff --git a/libraries/wallet/wallet.cpp b/libraries/wallet/wallet.cpp
index ac2a4a14..9f7fb385 100644
--- a/libraries/wallet/wallet.cpp
+++ b/libraries/wallet/wallet.cpp
@@ -5297,6 +5297,40 @@ signed_transaction wallet_api::propose_create_betting_market_group(
     return my->sign_transaction(tx, broadcast);
 }
 
+signed_transaction wallet_api::propose_update_betting_market_group(
+        const string& proposing_account,
+        fc::time_point_sec expiration_time,
+        betting_market_group_id_type betting_market_group_id,
+        fc::optional<internationalized_string_type> description,
+        fc::optional<object_id_type> event_id,
+        fc::optional<object_id_type> rules_id,
+        bool broadcast /*= false*/)
+{
+    FC_ASSERT( !is_locked() );
+    const chain_parameters& current_params = get_global_properties().parameters;
+
+    betting_market_group_update_operation betting_market_group_update_op;
+    betting_market_group_update_op.betting_market_group_id = betting_market_group_id;
+    betting_market_group_update_op.new_description = description;
+    betting_market_group_update_op.new_event_id = event_id;
+    betting_market_group_update_op.new_rules_id = rules_id;
+    //betting_market_group_create_op.asset_id = asset_id;
+
+    proposal_create_operation prop_op;
+    prop_op.expiration_time = expiration_time;
+    prop_op.review_period_seconds = current_params.committee_proposal_review_period;
+    prop_op.fee_paying_account = get_account(proposing_account).id;
+    prop_op.proposed_ops.emplace_back( betting_market_group_update_op );
+    current_params.current_fees->set_fee( prop_op.proposed_ops.back().op );
+
+    signed_transaction tx;
+    tx.operations.push_back(prop_op);
+    my->set_operation_fees(tx, current_params.current_fees);
+    tx.validate();
+
+    return my->sign_transaction(tx, broadcast);
+}
+
 signed_transaction wallet_api::propose_create_betting_market(
         const string& proposing_account,
         fc::time_point_sec expiration_time,
@@ -5326,6 +5360,37 @@ signed_transaction wallet_api::propose_create_betting_market(
     return my->sign_transaction(tx, broadcast);
 }
 
+signed_transaction wallet_api::propose_update_betting_market(
+        const string& proposing_account,
+        fc::time_point_sec expiration_time,
+        betting_market_id_type market_id,
+        fc::optional<object_id_type> group_id,
+        fc::optional<internationalized_string_type> payout_condition,
+        bool broadcast /*= false*/)
+{
+    FC_ASSERT( !is_locked() );
+    const chain_parameters& current_params = get_global_properties().parameters;
+
+    betting_market_update_operation betting_market_update_op;
+    betting_market_update_op.betting_market_id = market_id;
+    betting_market_update_op.new_group_id = group_id;
+    betting_market_update_op.new_payout_condition = payout_condition;
+
+    proposal_create_operation prop_op;
+    prop_op.expiration_time = expiration_time;
+    prop_op.review_period_seconds = current_params.committee_proposal_review_period;
+    prop_op.fee_paying_account = get_account(proposing_account).id;
+    prop_op.proposed_ops.emplace_back( betting_market_update_op );
+    current_params.current_fees->set_fee( prop_op.proposed_ops.back().op );
+
+    signed_transaction tx;
+    tx.operations.push_back(prop_op);
+    my->set_operation_fees(tx, current_params.current_fees);
+    tx.validate();
+
+    return my->sign_transaction(tx, broadcast);
+}
+
 signed_transaction wallet_api::place_bet(
         const string& betting_account,
         betting_market_id_type betting_market_id,