diff --git a/CHANGES.md b/CHANGES.md
index c1cda6a..8417fc6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 This file describes changes in the GAP package `singular`.
 
+- 2020.12.18
+  - Fix broken reference in the manual to GAP Packages chapter
+  - janitorial changes
+
 - 2019.10.01
 
   - fix test suite to pass in GAP 4.11, as well as in older GAP versions
diff --git a/PackageInfo.g b/PackageInfo.g
index c381c49..e463550 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -11,7 +11,7 @@
 SetPackageInfo( rec(
 PackageName := "singular",
 Subtitle := "A GAP interface to Singular",
-Version := "2019.10.01",
+Version := "2020.12.18",
 Date := Concatenation( ~.Version{[ 9, 10 ]}, "/", ~.Version{[ 6, 7 ]}, "/", ~.Version{[ 1 .. 4 ]} ),
 License := "GPL-2.0-or-later",