diff --git a/.VERSION b/.VERSION
index d6a86bf43..803d94e16 100644
--- a/.VERSION
+++ b/.VERSION
@@ -1 +1 @@
-5.6.2
+5.6.3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24e6279f9..1b88e9fb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ Copyright © 2011-2026 [James D. Mitchell][] et al.
 
 Licensing information can be found in the `LICENSE` file.
 
+## Version 5.6.3 (released 16/05/2026)
+
+- Remove moduleState init from gapbind14 kernel extension by @fingolfin in https://github.com/semigroups/Semigroups/pull/1179
+- Remove test for 'Matrix(GF(3), [[]]);' (targeting stable-5.6 branch) by @fingolfin in https://github.com/semigroups/Semigroups/pull/1181
+
 ## Version 5.6.2 (released 15/04/2026)
 
 - Gapbind14 clear by @james-d-mitchell in https://github.com/semigroups/Semigroups/pull/1144
diff --git a/PackageInfo.g b/PackageInfo.g
index 144f006c8..6246081a9 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -34,8 +34,8 @@ _STANDREWSCS := Concatenation(["Jack Cole Building, North Haugh, ",
 SetPackageInfo(rec(
 PackageName := "Semigroups",
 Subtitle := "A package for semigroups and monoids",
-Version := "5.6.2",
-Date := "15/04/2026",  # dd/mm/yyyy format
+Version := "5.6.3",
+Date := "16/05/2026",  # dd/mm/yyyy format
 License := "GPL-3.0-or-later",
 
 ArchiveFormats := ".tar.gz",
diff --git a/VERSIONS b/VERSIONS
index e08eb0eda..5cbb2a2d9 100644
--- a/VERSIONS
+++ b/VERSIONS
@@ -9,6 +9,7 @@
 ##
 ##
 
+release 5.6.3  - 16/05/2026
 release 5.6.2  - 15/04/2026
 release 5.6.1  - 18/03/2026
 release 5.6.0  - 05/03/2026
diff --git a/gapbind14/demo/src/gapbind_demo.cc b/gapbind14/demo/src/gapbind_demo.cc
index 7d2471ac4..ff8f05af2 100644
--- a/gapbind14/demo/src/gapbind_demo.cc
+++ b/gapbind14/demo/src/gapbind_demo.cc
@@ -131,10 +131,6 @@ static StructInitInfo module = {
     /* preSave     = */ 0,
     /* postSave    = */ 0,
     /* postRestore = */ 0,
-    /* moduleStateSize      = */ 0,
-    /* moduleStateOffsetPtr = */ 0,
-    /* initModuleState      = */ 0,
-    /* destroyModuleState   = */ 0,
 };
 
 extern "C" StructInitInfo* Init__Dynamic(void) {