diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index f3c48fdde..c8f337999 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -1,3 +1,5 @@
+6.0.21
+
 6.0.20
 Add trustServerCertificate is the parameter exists in various functions that might be running on the host
 Issue #3594 Run-AlCops says unknown platform version
diff --git a/Version.txt b/Version.txt
index 898f7202d..874296f98 100644
--- a/Version.txt
+++ b/Version.txt
@@ -1 +1 @@
-6.0.20-dev
+6.0.21-dev