diff --git a/cg/models/analysis.py b/cg/models/analysis.py
index c6367b5020..348a91aa59 100644
--- a/cg/models/analysis.py
+++ b/cg/models/analysis.py
@@ -9,6 +9,9 @@
 class AnalysisModel(BaseModel):
     """Metadata analysis model"""
 
+    class Config:
+        arbitrary_types_allowed = True
+
 
 class NextflowAnalysis(AnalysisModel):
     """Nextflow's analysis results model."""
diff --git a/cg/models/taxprofiler/taxprofiler.py b/cg/models/taxprofiler/taxprofiler.py
index c6cfb00f23..fbf585a27a 100644
--- a/cg/models/taxprofiler/taxprofiler.py
+++ b/cg/models/taxprofiler/taxprofiler.py
@@ -1,5 +1,6 @@
 from pathlib import Path
-from pydantic.v1 import BaseModel, Field
+
+from pydantic import BaseModel, Field
 
 from cg.constants.sequencing import SequencingPlatform
 from cg.models.nf_analysis import NextflowSampleSheetEntry, WorkflowParameters
@@ -40,7 +41,7 @@ class TaxprofilerParameters(WorkflowParameters):
     centrifuge_save_reads: bool = True
     run_krona: bool = True
     run_profile_standardisation: bool = True
-    clusterOptions: str = Field(..., alias="cluster_options")
+    clusterOptions: str = Field(alias="cluster_options")
     priority: str