diff --git a/VERSION b/VERSION
index 626c498f35f753a52ecafa944aeadfed44ea740d..3eefcb9dd5b38e2c1dc061052455dd97bcd51e6c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.99.1
+1.0.0
diff --git a/src/mcpl/mcpl.h b/src/mcpl/mcpl.h
index 8c61cd8b6eda0ba940d4522065501a8d9d0ba31b..06db4dcf2982ed213f7500ae28e6fe6f932b1b45 100644
--- a/src/mcpl/mcpl.h
+++ b/src/mcpl/mcpl.h
@@ -19,10 +19,10 @@
 /*                                                                                 */
 /***********************************************************************************/
 
-#define MCPL_VERSION_MAJOR 0
-#define MCPL_VERSION_MINOR 99
-#define MCPL_VERSION_PATCH 1
-#define MCPL_VERSION    9901 /* (10000*MAJOR+100*MINOR+PATCH)   */
+#define MCPL_VERSION_MAJOR 1
+#define MCPL_VERSION_MINOR 0
+#define MCPL_VERSION_PATCH 0
+#define MCPL_VERSION   10000 /* (10000*MAJOR+100*MINOR+PATCH)   */
 #define MCPL_FORMATVERSION 2 /* Format version of written files */
 
 #ifdef __cplusplus
diff --git a/src_fat/mcpl2ssw_app_fat.c b/src_fat/mcpl2ssw_app_fat.c
index 9a22aecbde9dad70a87a85693ac032c79bb91825..fe5cfd4dda13d6bc29a03ec561750d3ce80f6985 100644
--- a/src_fat/mcpl2ssw_app_fat.c
+++ b/src_fat/mcpl2ssw_app_fat.c
@@ -68,10 +68,10 @@
 /*                                                                                 */
 /***********************************************************************************/
 
-#define MCPL_VERSION_MAJOR 0
-#define MCPL_VERSION_MINOR 99
-#define MCPL_VERSION_PATCH 1
-#define MCPL_VERSION    9901 /* (10000*MAJOR+100*MINOR+PATCH)   */
+#define MCPL_VERSION_MAJOR 1
+#define MCPL_VERSION_MINOR 0
+#define MCPL_VERSION_PATCH 0
+#define MCPL_VERSION   10000 /* (10000*MAJOR+100*MINOR+PATCH)   */
 #define MCPL_FORMATVERSION 2 /* Format version of written files */
 
 #ifdef __cplusplus
diff --git a/src_fat/mcpltool_app_fat.c b/src_fat/mcpltool_app_fat.c
index 8ed14770bf4042dda50adc9bedf09b46e0c17907..8ce73e828ab09ba485c9fa358c21fd1e7f39b0b4 100644
--- a/src_fat/mcpltool_app_fat.c
+++ b/src_fat/mcpltool_app_fat.c
@@ -176,10 +176,10 @@
 /*                                                                                 */
 /***********************************************************************************/
 
-#define MCPL_VERSION_MAJOR 0
-#define MCPL_VERSION_MINOR 99
-#define MCPL_VERSION_PATCH 1
-#define MCPL_VERSION    9901 /* (10000*MAJOR+100*MINOR+PATCH)   */
+#define MCPL_VERSION_MAJOR 1
+#define MCPL_VERSION_MINOR 0
+#define MCPL_VERSION_PATCH 0
+#define MCPL_VERSION   10000 /* (10000*MAJOR+100*MINOR+PATCH)   */
 #define MCPL_FORMATVERSION 2 /* Format version of written files */
 
 #ifdef __cplusplus
diff --git a/src_fat/ssw2mcpl_app_fat.c b/src_fat/ssw2mcpl_app_fat.c
index 55d8a7dad0ff261eca439a93db285f6a25b2e4b0..ab077dd4b5e264b12f8cadcd1070bd584fd054ca 100644
--- a/src_fat/ssw2mcpl_app_fat.c
+++ b/src_fat/ssw2mcpl_app_fat.c
@@ -68,10 +68,10 @@
 /*                                                                                 */
 /***********************************************************************************/
 
-#define MCPL_VERSION_MAJOR 0
-#define MCPL_VERSION_MINOR 99
-#define MCPL_VERSION_PATCH 1
-#define MCPL_VERSION    9901 /* (10000*MAJOR+100*MINOR+PATCH)   */
+#define MCPL_VERSION_MAJOR 1
+#define MCPL_VERSION_MINOR 0
+#define MCPL_VERSION_PATCH 0
+#define MCPL_VERSION   10000 /* (10000*MAJOR+100*MINOR+PATCH)   */
 #define MCPL_FORMATVERSION 2 /* Format version of written files */
 
 #ifdef __cplusplus