diff --git a/lib/common.nf b/lib/common.nf
index 3a8568d..745b892 100644
--- a/lib/common.nf
+++ b/lib/common.nf
@@ -2,6 +2,8 @@ import groovy.json.JsonBuilder
 
 process getParams {
     label "wf_common"
+    publishDir "${params.out_dir}", mode: 'copy', pattern: "params.json"
+    cache false
     cpus 1
     memory "2 GB"
     output:
diff --git a/nextflow.config b/nextflow.config
index 2714539..17328d3 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -95,7 +95,7 @@ params {
       ]
     agent = null
     container_sha = "shad8671ea3a8ed52f2c0f40355e8eb5c6f00d2cbda"
-	common_sha = "shad28e55140f75a68f59bbecc74e880aeab16ab158"
+	common_sha="shaf15f9d80aba72c20e3e71f84869619873a56b8af"
     }
 }