diff --git a/include/ntlmclient.h b/include/ntlmclient.h
index bf57b17..5ca6442 100644
--- a/include/ntlmclient.h
+++ b/include/ntlmclient.h
@@ -15,9 +15,9 @@
 extern "C" {
 #endif
 
-#define NTLM_CLIENT_VERSION         "0.9.0"
-#define NTLM_CLIENT_VERSION_MAJOR   0
-#define NTLM_CLIENT_VERSION_MINOR   9
+#define NTLM_CLIENT_VERSION         "1.0.0"
+#define NTLM_CLIENT_VERSION_MAJOR   1
+#define NTLM_CLIENT_VERSION_MINOR   0
 #define NTLM_CLIENT_VERSION_TEENY   0
 
 typedef struct ntlm_client ntlm_client;