diff --git a/Makefile b/Makefile
index d3f11b2..23be288 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ BINEXT ?=
 SOLIBNAME = libhttp_parser
 SOMAJOR = 2
 SOMINOR = 9
-SOREV   = 0
+SOREV   = 1
 ifeq (darwin,$(PLATFORM))
 SOEXT ?= dylib
 SONAME ?= $(SOLIBNAME).$(SOMAJOR).$(SOMINOR).$(SOEXT)
diff --git a/http_parser.h b/http_parser.h
index 880ed27..471250b 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 9
-#define HTTP_PARSER_VERSION_PATCH 0
+#define HTTP_PARSER_VERSION_PATCH 1
 
 #include <stddef.h>
 #if defined(_WIN32) && !defined(__MINGW32__) && \