diff --git a/CHANGES.md b/CHANGES.md
index 526204d..0f8acdf 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 This file describes changes in the smallgrp package.
 
+# 1.5.3 (2023-05-16)
+
+  - Fix `SmallGroupsAvailable(p^7)` to return `false` when p > 11
+    (unless the `sglppow` package is loaded)
+  - Update contact details for Max Horn
+
 # 1.5.2 (2023-02-11)
 
   - Correct the information printed by `SmallGroupsInformation(512)`;
diff --git a/PackageInfo.g b/PackageInfo.g
index 6ad41cc..3b3e0ad 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -10,8 +10,8 @@ SetPackageInfo( rec(
 
 PackageName := "SmallGrp",
 Subtitle := "The GAP Small Groups Library",
-Version := "1.5.2",
-Date := "11/02/2023", # dd/mm/yyyy format
+Version := "1.5.3",
+Date := "16/05/2023", # dd/mm/yyyy format
 License := "Artistic-2.0",
 
 Persons := [