diff --git a/contracts/polygon/connectors/fluidity/events.sol b/contracts/polygon/connectors/fluidity/events.sol
index ad361e22..ada58f2d 100644
--- a/contracts/polygon/connectors/fluidity/events.sol
+++ b/contracts/polygon/connectors/fluidity/events.sol
@@ -1,15 +1,15 @@
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.6;
 
 
 contract Events {
 
-event LogSupply(address token_, uint amount_,uint itokenAmount_,uint getId,uint setId);
+event LogSupply(address indexed token_, uint amount_,uint itokenAmount_,uint getId,uint setId);
 
-event LogWithdraw(address token_, uint amt_,uint itokenAmount_,uint getId,uint setId);
+event LogWithdraw(address indexed token_, uint amt_,uint itokenAmount_,uint getId,uint setId);
 
-event LogWithdrawItoken(address token_, uint amt_,uint amount_,uint getId,uint setId);
+event LogWithdrawItoken(address indexed token_, uint amt_,uint amount_,uint getId,uint setId);
 
-event LogClaimReward(address user_, address token_,uint[] updatedRewards_)
+event LogClaimReward(address indexed user_ , address  indexed token_ , uint[] updatedRewards_)
 
 
 }
\ No newline at end of file
diff --git a/contracts/polygon/connectors/fluidity/helper.sol b/contracts/polygon/connectors/fluidity/helper.sol
index 095b16dd..0203f6c7 100644
--- a/contracts/polygon/connectors/fluidity/helper.sol
+++ b/contracts/polygon/connectors/fluidity/helper.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.6;
 pragma experimental ABIEncoderV2;
 
 import { DSMath } from "../../common/math.sol";
diff --git a/contracts/polygon/connectors/fluidity/main.sol b/contracts/polygon/connectors/fluidity/main.sol
index 2181e195..61468a71 100644
--- a/contracts/polygon/connectors/fluidity/main.sol
+++ b/contracts/polygon/connectors/fluidity/main.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.6;
 pragma experimental ABIEncoderV2;