diff --git a/CHANGELOG.md b/CHANGELOG.md
index 466d50b..7abb81e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 0.2.1
+
+Relaxed regex for sample naming, subsample number now accepts tow to many digits (eg. 2023-0001254-01 or 2023-0001254-5236)
+
 ### 0.2.0
 
 The workflow will expect fastq to be named after either the value of the `isolate_name_alt` if it is filled
diff --git a/VERSION b/VERSION
index 341cf11..7dff5b8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2.0
\ No newline at end of file
+0.2.1
\ No newline at end of file
diff --git a/workflow/schema/metadata.schema.json b/workflow/schema/metadata.schema.json
index 8adca98..5b03716 100644
--- a/workflow/schema/metadata.schema.json
+++ b/workflow/schema/metadata.schema.json
@@ -22,11 +22,11 @@
     "properties": {
         "isolate_id": {
             "type": "string",
-            "pattern": "^(19[9-9][0-9]|2[0-1][0-4][0-9]|2150)-[0-9]{7}(-[0-9]{2})?$"
+            "pattern": "^(19[9-9][0-9]|2[0-1][0-4][0-9]|2150)-[0-9]{7}(-[0-9]{2,})?$"
         },
         "sample_id": {
             "type": "string",
-            "pattern": "^(19[9-9][0-9]|2[0-1][0-4][0-9]|2150)-[0-9]{7}(-[0-9]{2})?$"
+            "pattern": "^(19[9-9][0-9]|2[0-1][0-4][0-9]|2150)-[0-9]{7}(-[0-9]{2,})?$"
         },
         "organism": {
             "type": "string",