diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45dd4e4bd3..a0f77a4f82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- [#353](https://github.com/nf-core/sarek/pull/353) - Add support for task retries with exit code 247 (exhibited by Picard MarkDuplicates)
+
 ### Changed
 
 - [#333](https://github.com/nf-core/sarek/pull/333) - Bump `Sarek` version to `3.0dev`
diff --git a/conf/base.config b/conf/base.config
index ac13fe4927..47abc090b2 100644
--- a/conf/base.config
+++ b/conf/base.config
@@ -15,7 +15,7 @@ process {
   time = {check_resource(24.h * task.attempt)}
   shell = ['/bin/bash', '-euo', 'pipefail']
 
-  errorStrategy = { task.exitStatus in [143,137,104,134,139] ? 'retry' : 'finish' }
+  errorStrategy = { task.exitStatus in [143,137,104,134,139,247] ? 'retry' : 'finish' }
   maxErrors = '-1'
   maxRetries = 3