diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4800c40..37eaa15 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(libravatarserv
-        VERSION 0.6.5
+        VERSION 0.6.6
         LANGUAGES CXX
 )
 
diff --git a/src/libravatarserv.cpp b/src/libravatarserv.cpp
index 0b3e233..c1202be 100644
--- a/src/libravatarserv.cpp
+++ b/src/libravatarserv.cpp
@@ -32,7 +32,6 @@ int main()
 {
     cout << "Server: libravatarserv/" << global::version << endl;
     cout << "Cache-Control: public, max-age=86400\n";
-    cout << "Connection: close\n";
 
     const char *request = std::getenv("REQUEST_URI");
     if (request == nullptr)