diff --git a/README.md b/README.md
index 2a60e4d..fbcf8ef 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ Copy gztool.c to the directory where you compiled zlib, and do:
 Usage
 =====
 
-      gztool (v1.5.0)
+      gztool (v1.5.1)
       GZIP files indexer, compressor and data retriever.
       Create small indexes for gzipped files and use them
       for quick and random-positioned data extraction.
@@ -438,7 +438,7 @@ Other interesting links
 Version
 =======
 
-This version is **v1.5.0**.
+This version is **v1.5.1**.
 
 Please, read the *Disclaimer*. In case of any errors, please open an [issue](https://github.com/circulosmeos/gztool/issues).
 
diff --git a/configure.ac b/configure.ac
index c9dd4a5..a29b2fe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([gztool], [1.4.3], [roberto.s.galende@gmail.com])
+AC_INIT([gztool], [1.5.1], [roberto.s.galende@gmail.com])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 AC_PROG_CC
 AC_PROG_CC_C99
diff --git a/gztool.1 b/gztool.1
index 92000b9..f496079 100644
--- a/gztool.1
+++ b/gztool.1
@@ -4,7 +4,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH gztool 1 "Jul 15 2022" "gztool v1.5.0"
+.TH gztool 1 "Jul 20 2022" "gztool v1.5.1"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
diff --git a/gztool.c b/gztool.c
index 4021cdd..421da54 100644
--- a/gztool.c
+++ b/gztool.c
@@ -123,7 +123,7 @@
     #include <config.h>
 #else
     #define PACKAGE_NAME "gztool"
-    #define PACKAGE_VERSION "1.5.0"
+    #define PACKAGE_VERSION "1.5.1"
 #endif
 
 #define _XOPEN_SOURCE 500 // expose <unistd.h>'s pread()