diff --git a/src/Makefile b/src/Makefile
index 93f026f..402d904 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1401,6 +1401,7 @@
 DEST_MAN_IT = $(DEST_MAN_TOP)/it$(MAN1DIR)
 DEST_MAN_IT_I = $(DEST_MAN_TOP)/it.ISO8859-1$(MAN1DIR)
 DEST_MAN_IT_U = $(DEST_MAN_TOP)/it.UTF-8$(MAN1DIR)
+DEST_MAN_JA_U = $(DEST_MAN_TOP)/ja.UTF-8$(MAN1DIR)
 DEST_MAN_PL = $(DEST_MAN_TOP)/pl$(MAN1DIR)
 DEST_MAN_PL_I = $(DEST_MAN_TOP)/pl.ISO8859-2$(MAN1DIR)
 DEST_MAN_PL_U = $(DEST_MAN_TOP)/pl.UTF-8$(MAN1DIR)
@@ -2085,6 +2086,7 @@
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_IT) "-it" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_IT_I) "-it" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_IT_U) "-it.UTF-8" $(INSTALLMANARGS)
+	-$(SHELL) ./installman.sh xxd $(DEST_MAN_JA_U) "-ja.UTF-8" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_PL) "-pl" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_PL_I) "-pl" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh xxd $(DEST_MAN_PL_U) "-pl.UTF-8" $(INSTALLMANARGS)
@@ -2099,6 +2101,7 @@
 	-$(SHELL) ./installman.sh install $(DEST_MAN_IT) "-it" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh install $(DEST_MAN_IT_I) "-it" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh install $(DEST_MAN_IT_U) "-it.UTF-8" $(INSTALLMANARGS)
+	-$(SHELL) ./installman.sh install $(DEST_MAN_JA_U) "-ja.UTF-8" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh install $(DEST_MAN_PL) "-pl" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh install $(DEST_MAN_PL_I) "-pl" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh install $(DEST_MAN_PL_U) "-pl.UTF-8" $(INSTALLMANARGS)
@@ -2117,6 +2120,8 @@
 	-$(SHELL) ./installml.sh install "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_IT_U) $(INSTALLMLARGS)
 	-$(SHELL) ./installml.sh install "$(GUI_MAN_TARGETS)" \
+		$(DEST_MAN_JA_U) $(INSTALLMLARGS)
+	-$(SHELL) ./installml.sh install "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_PL) $(INSTALLMLARGS)
 	-$(SHELL) ./installml.sh install "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_PL_I) $(INSTALLMLARGS)
@@ -2262,6 +2267,7 @@
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_IT) "" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_IT_I) "" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_IT_U) "" $(INSTALLMANARGS)
+	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_JA_U) "" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_PL) "" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_PL_I) "" $(INSTALLMANARGS)
 	-$(SHELL) ./installman.sh uninstall $(DEST_MAN_PL_U) "" $(INSTALLMANARGS)
@@ -2282,6 +2288,8 @@
 	-$(SHELL) ./installml.sh uninstall "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_IT_U) $(INSTALLMLARGS)
 	-$(SHELL) ./installml.sh uninstall "$(GUI_MAN_TARGETS)" \
+		$(DEST_MAN_JA_U) $(INSTALLMLARGS)
+	-$(SHELL) ./installml.sh uninstall "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_PL) $(INSTALLMLARGS)
 	-$(SHELL) ./installml.sh uninstall "$(GUI_MAN_TARGETS)" \
 		$(DEST_MAN_PL_I) $(INSTALLMLARGS)
@@ -2294,6 +2302,7 @@
 	-rm -f $(DEST_MAN)/xxd.1
 	-rm -f $(DEST_MAN_FR)/xxd.1 $(DEST_MAN_FR_I)/xxd.1 $(DEST_MAN_FR_U)/xxd.1
 	-rm -f $(DEST_MAN_IT)/xxd.1 $(DEST_MAN_IT_I)/xxd.1 $(DEST_MAN_IT_U)/xxd.1
+	-rm -f $(DEST_MAN_JA_U)/xxd.1
 	-rm -f $(DEST_MAN_PL)/xxd.1 $(DEST_MAN_PL_I)/xxd.1 $(DEST_MAN_PL_U)/xxd.1
 	-rm -f $(DEST_MAN_RU)/xxd.1 $(DEST_MAN_RU_U)/xxd.1
 	-rm -f $(DEST_HELP)/*.txt $(DEST_HELP)/tags $(DEST_HELP)/*.pl
diff --git a/src/version.c b/src/version.c
index ca859f7..607ba9a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -728,6 +728,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    15,
+/**/
     14,
 /**/
     13,