diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45421871ba0ea3a2bca4ae9f55449427b46e44a1..e362034e3ddbaf70699ea78da04ff241b42e07ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ that users understand how the changes affect the new version.
 
 version 1.0.0-dev
 ---------------------------
++ Mutect2: Add GATK tasks related to variant filtering (LearnReadOrientationModel, MergeStats, GetPileupSummaries, CalculateContamination and FilterMutectCalls)
 + Mutect2: Add "--germline-resource" and "--f1r2-tar-gz" inputs, requiring an update to GATK 4.1.2.0. 
 + Mutect2: Add necessary missing index attribute for panel of normals
 + VarDict: Add user definable flags (-M, -A, -Q, -d, -v, -f) to the paired VCF filtering script.