diff --git a/ChangeLog b/ChangeLog
index 10eaf748..2159f09f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+v1.15.6
+--------------------------------------------------------------------------------
+ * Fix by Joe Orton for a gcc 10 warnings on s390x.
+
 v1.15.5
 --------------------------------------------------------------------------------
  * Fixed rare cases where a h2 worker could deadlock the main connection. All the good
diff --git a/configure.ac b/configure.ac
index dbca577e..ad3f4220 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@
 #
 
 AC_PREREQ([2.69])
-AC_INIT([mod_http2], [1.15.5], [stefan.eissing@greenbytes.de])
+AC_INIT([mod_http2], [1.15.6], [stefan.eissing@greenbytes.de])
 
 LT_PREREQ([2.2.6])
 LT_INIT()
diff --git a/mod_http2/h2_version.h b/mod_http2/h2_version.h
index 7dbd37da..21acec46 100644
--- a/mod_http2/h2_version.h
+++ b/mod_http2/h2_version.h
@@ -27,7 +27,7 @@
  * @macro
  * Version number of the http2 module as c string
  */
-#define MOD_HTTP2_VERSION "1.15.5-git"
+#define MOD_HTTP2_VERSION "1.15.6-git"
 
 /**
  * @macro
@@ -35,7 +35,7 @@
  * release. This is a 24 bit number with 8 bits for major number, 8 bits
  * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203.
  */
-#define MOD_HTTP2_VERSION_NUM 0x010f05
+#define MOD_HTTP2_VERSION_NUM 0x010f06
 
 
 #endif /* mod_h2_h2_version_h */