diff --git a/src/curlnetworkadapter.cpp b/src/curlnetworkadapter.cpp
index aff782d..be78fc4 100644
--- a/src/curlnetworkadapter.cpp
+++ b/src/curlnetworkadapter.cpp
@@ -140,6 +140,10 @@ Response CurlNetworkAdapter::get(const std::string& url,
     // Perform the request
     res = curl_easy_perform(curl);
 
+    // Cleanup the headers
+    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
+    curl_slist_free_all(headers);
+
     if (res != CURLE_OK) {
         response.error = curl_easy_strerror(res);
         if (res == CURLE_OPERATION_TIMEDOUT) {
diff --git a/src/version.h b/src/version.h
index 1b0010f..29ed82c 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define CONFIGCAT_VERSION "4.0.5"
+#define CONFIGCAT_VERSION "4.0.6"