diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0420c03..e079ab4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog of Pmodules
 
+## Version 1.1.21
+### modulecmd
+
+### build-system
+
+
 ## Version 1.1.20
 ### modulecmd
 * Bugfix in sub-command 'unuse' with directory as argument.
diff --git a/build b/build
index 04ccee1..42a4399 100755
--- a/build
+++ b/build
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 #
 
-declare -rx VERSION='1.1.20'
+declare -rx VERSION='1.1.21'
 declare -rx BASH5_VERSION='5.2.21'
 declare -rx TCL_VERSION='8.6.14'
 declare -rx TCLLIB_VERSION='1.21'