diff --git a/.VERSION b/.VERSION
index 831446cbd..91ff57278 100644
--- a/.VERSION
+++ b/.VERSION
@@ -1 +1 @@
-5.1.0
+5.2.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4696b3a27..65f16920f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,29 @@ Copyright © 2011-2022 [James D. Mitchell][] et al.
 
 Licensing information can be found in the `LICENSE` file.
 
+### Version 5.2.0 (released 01/12/2022)
+
+This release contains a number of fixes and improvements, and one new feature,
+which is a method for `IsSelfDualSemigroup` and related functionality for
+semigroups satisfying `CanUseFroidurePin`:
+
+* m4/find_gap.m4: update by @fingolfin in
+  https://github.com/semigroups/Semigroups/pull/887
+* Adds method for `IsSelfDualSemigroup` and related functionality by
+  @james-d-mitchell in https://github.com/semigroups/Semigroups/pull/890
+* Fix some bugs by @james-d-mitchell in
+  https://github.com/semigroups/Semigroups/pull/889
+* Fix closure semigroup for non-libsemigroups types by @james-d-mitchell in
+  https://github.com/semigroups/Semigroups/pull/891
+* Add missing tests and doc for `IsSelfDualSemigroup` and friends by
+  @james-d-mitchell in https://github.com/semigroups/Semigroups/pull/892
+* Change `-march=avx` -> `-mavx` by @james-d-mitchell in
+  https://github.com/semigroups/Semigroups/pull/896
+* Fix faulty usage of 0-simple RZMS translations code by @flsmith in
+  https://github.com/semigroups/Semigroups/pull/893
+* build: replace `m4/ax_check_hpcombi` by @james-d-mitchell in
+  https://github.com/semigroups/Semigroups/pull/897
+
 ### Version 5.1.0 (released 31/10/2022)
 
 The following major new features have been added in this version:
diff --git a/PackageInfo.g b/PackageInfo.g
index bb9f7de98..ccb07c585 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 := "5.1.0",
-Date := "31/10/2022",  # dd/mm/yyyy format
+Version := "5.2.0",
+Date := "01/12/2022",  # dd/mm/yyyy format
 License := "GPL-3.0-or-later",
 
 ArchiveFormats := ".tar.gz",
diff --git a/VERSIONS b/VERSIONS
index 606b8fcfa..d5c07ce4c 100644
--- a/VERSIONS
+++ b/VERSIONS
@@ -9,6 +9,7 @@
 ##
 ##
 
+release 5.2.0  - 01/12/2022
 release 5.1.0  - 31/10/2022
 release 5.0.2  - 12/08/2022
 release 5.0.1  - 11/08/2022