diff --git a/CMakeLists.txt b/CMakeLists.txt
index b68eeff..916ae46 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ include(cmake/conan.cmake)
 
 set(VERSION_MAJOR 1)
 set(VERSION_MINOR 0)
-set(VERSION_PATCH 3)
+set(VERSION_PATCH 4)
 #set(VERSION_SUFFIX rc4)
 
 if(VERSION_SUFFIX)
diff --git a/external/silkworm b/external/silkworm
index c87ecea..df817c2 160000
--- a/external/silkworm
+++ b/external/silkworm
@@ -1 +1 @@
-Subproject commit c87ecea60b3fd48c32bc2bcaedd4aba70fc3db62
+Subproject commit df817c260f00c138bd56d5cd7d612acfa1f2f665
diff --git a/peripherals/proxy/eth-jsonrpc-access.lua b/peripherals/proxy/eth-jsonrpc-access.lua
index 516d92e..832e856 100644
--- a/peripherals/proxy/eth-jsonrpc-access.lua
+++ b/peripherals/proxy/eth-jsonrpc-access.lua
@@ -78,7 +78,7 @@ if empty(method) or empty(version) then
       return
     end
     if write_calls ~= nil then                               
-      if contains(write_calls, v['method']) then                  
+      if contains(write_calls, v['method']) and v['method'] ~= 'eth_gasPrice' then
         ngx.log(ngx.ERR, 'batch write calls not allowed') 
         ngx.exit(ngx.HTTP_BAD_REQUEST)     
         return