diff --git a/Dockerfile b/Dockerfile
index 40c0fd2..4fb55d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM debian:bookworm-20230725 as xgenext2fs-builder
-ARG GENEXT2FS_VERSION=1.5.5
+ARG GENEXT2FS_VERSION=1.5.6
 ARG TARGETARCH
 ARG DESTDIR=release
 
diff --git a/configure.ac b/configure.ac
index 78813ee..f8e5f7a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT([xgenext2fs], [1.5.5])
+AC_INIT([xgenext2fs], [1.5.6])
 AC_CONFIG_SRCDIR([xgenext2fs.c])
 
 builtin(include, [m4/ac_func_snprintf.m4])dnl