diff --git a/Makefile b/Makefile
index 2959065..3600503 100644
--- a/Makefile
+++ b/Makefile
@@ -19,11 +19,14 @@
 # IN THE SOFTWARE.
 
 PLATFORM ?= $(shell sh -c 'uname -s | tr "[A-Z]" "[a-z]"')
-SONAME ?= libhttp_parser.so.2.4
+SONAME ?= libhttp_parser.so.2.4.1
 
 CC?=gcc
 AR?=ar
 
+CPPFLAGS ?=
+LDFLAGS ?=
+
 CPPFLAGS += -I.
 CPPFLAGS_DEBUG = $(CPPFLAGS) -DHTTP_PARSER_STRICT=1
 CPPFLAGS_DEBUG += $(CPPFLAGS_DEBUG_EXTRA)
diff --git a/http_parser.h b/http_parser.h
index e06f10f..640ffa0 100644
--- a/http_parser.h
+++ b/http_parser.h
@@ -27,7 +27,7 @@ extern "C" {
 /* Also update SONAME in the Makefile whenever you change these. */
 #define HTTP_PARSER_VERSION_MAJOR 2
 #define HTTP_PARSER_VERSION_MINOR 4
-#define HTTP_PARSER_VERSION_PATCH 0
+#define HTTP_PARSER_VERSION_PATCH 1
 
 #include <sys/types.h>
 #if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600)