diff --git a/requirements.txt b/requirements.txt
index 61630a50..98d3e3c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ ethereum>=2.0.4
 ZODB>=5.3.0
 z3-solver>=4.5
 web3
-laser-ethereum==0.5.9
+laser-ethereum==0.5.10
 requests
 BTrees
 py-solc
diff --git a/setup.py b/setup.py
index 4811cd65..cb121ade 100755
--- a/setup.py
+++ b/setup.py
@@ -254,7 +254,7 @@ Credit
 setup(
     name='mythril',
 
-    version='0.13.19',
+    version='0.13.20',
 
     description='Security analysis tool for Ethereum smart contracts',
     long_description=long_description,
@@ -291,7 +291,7 @@ setup(
         'web3',
         'ZODB>=5.3.0',
         'z3-solver>=4.5',
-        'laser-ethereum==0.5.9',
+        'laser-ethereum==0.5.10',
         'requests',
         'BTrees',
         'py-solc'
diff --git a/solidity_examples/reentrancy.sol b/solidity_examples/reentrancy.sol
index 357152a6..4e8ee088 100644
--- a/solidity_examples/reentrancy.sol
+++ b/solidity_examples/reentrancy.sol
@@ -12,8 +12,9 @@ contract Reentrancy {
 
   function withdraw(uint _amount) public {
     if(balances[msg.sender] >= _amount) {
-      msg.sender.call.value(_amount)();
-      balances[msg.sender] -= _amount;
+      if (msg.sender.call.value(_amount)()) {
+        balances[msg.sender] -= _amount;        
+      }
     }
   }