diff --git a/c_src/eNifLock/rebar.config b/c_src/eNifLock/rebar.config
index e27bd7b..d719afc 100644
--- a/c_src/eNifLock/rebar.config
+++ b/c_src/eNifLock/rebar.config
@@ -2,6 +2,10 @@
 	{"../../priv/eNifLock.so", ["*.cc"]}
 ]}.
 
+{port_env, [
+	{".*", "CXXFLAGS", "$CXXFLAGS -static -O3 -DNDEBUG -std=c++11"},
+	{".*", "LDFLAGS", "$LDFLAGS -static"}
+]}.
 
 
 
diff --git a/priv/eNifLock.dll b/priv/eNifLock.dll
index 8551909..bf0c903 100644
Binary files a/priv/eNifLock.dll and b/priv/eNifLock.dll differ
diff --git a/priv/eNifLock.exp b/priv/eNifLock.exp
index 1f5a844..84ad9a8 100644
Binary files a/priv/eNifLock.exp and b/priv/eNifLock.exp differ