diff --git a/src/liblzma/Makefile.am b/src/liblzma/Makefile.am
index f43280be..6323e26a 100644
--- a/src/liblzma/Makefile.am
+++ b/src/liblzma/Makefile.am
@@ -24,7 +24,7 @@ liblzma_la_CPPFLAGS = \
 	-I$(top_srcdir)/src/liblzma/simple \
 	-I$(top_srcdir)/src/common \
 	-DTUKLIB_SYMBOL_PREFIX=lzma_
-liblzma_la_LDFLAGS = -no-undefined -version-info 7:1:2
+liblzma_la_LDFLAGS = -no-undefined -version-info 8:99:3
 
 EXTRA_DIST += liblzma.map validate_map.sh
 if COND_SYMVERS
diff --git a/src/liblzma/api/lzma/version.h b/src/liblzma/api/lzma/version.h
index 9682155a..2c26ed24 100644
--- a/src/liblzma/api/lzma/version.h
+++ b/src/liblzma/api/lzma/version.h
@@ -21,9 +21,9 @@
  * Version number split into components
  */
 #define LZMA_VERSION_MAJOR 5
-#define LZMA_VERSION_MINOR 2
-#define LZMA_VERSION_PATCH 1
-#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE
+#define LZMA_VERSION_MINOR 3
+#define LZMA_VERSION_PATCH 0
+#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_ALPHA
 
 #ifndef LZMA_VERSION_COMMIT
 #	define LZMA_VERSION_COMMIT ""