diff --git a/resources/environments/data_source_aws_credential_prerequisites.go b/resources/environments/data_source_aws_credential_prerequisites.go
index cfd03766..b00a0f74 100644
--- a/resources/environments/data_source_aws_credential_prerequisites.go
+++ b/resources/environments/data_source_aws_credential_prerequisites.go
@@ -86,14 +86,15 @@ func (d *awsCredentialPrerequisitesDataSource) Read(ctx context.Context, req dat
 	data.ExternalID = types.StringValue(*prerequisites.Aws.ExternalID)
 	data.ID = types.StringValue(prerequisites.AccountID + ":" + *prerequisites.Aws.ExternalID)
 	data.Policy = types.StringPointerValue(prerequisites.Aws.PolicyJSON)
-	data.Policies = make([]*credentialGranularPolicyDataSourceModel, len(prerequisites.Aws.Policies))
-	for i, policy := range prerequisites.Aws.Policies {
-		data.Policies[i] = &credentialGranularPolicyDataSourceModel{
-			Service:    types.StringPointerValue(policy.Service),
-			PolicyJson: types.StringPointerValue(policy.PolicyJSON),
-		}
+
+	var policyMap = make(map[string]string)
+	for _, policy := range prerequisites.Aws.Policies {
+		policyMap[*policy.Service] = *policy.PolicyJSON
 	}
 
+	policyTypeMap, _ := types.MapValueFrom(ctx, types.StringType, policyMap)
+	data.Policies = policyTypeMap
+
 	// Save data into Terraform state
 	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
 }
diff --git a/resources/environments/model_aws_credential_prerequisites.go b/resources/environments/model_aws_credential_prerequisites.go
index d83cf734..0b82a0b1 100644
--- a/resources/environments/model_aws_credential_prerequisites.go
+++ b/resources/environments/model_aws_credential_prerequisites.go
@@ -13,14 +13,9 @@ package environments
 import "github.com/hashicorp/terraform-plugin-framework/types"
 
 type awsCredentialPrerequisitesDataSourceModel struct {
-	ID         types.String                               `tfsdk:"id"`
-	AccountID  types.String                               `tfsdk:"account_id"`
-	ExternalID types.String                               `tfsdk:"external_id"`
-	Policy     types.String                               `tfsdk:"policy"`
-	Policies   []*credentialGranularPolicyDataSourceModel `tfsdk:"policies"`
-}
-
-type credentialGranularPolicyDataSourceModel struct {
-	Service    types.String `tfsdk:"service"`
-	PolicyJson types.String `tfsdk:"policy_json"`
+	ID         types.String `tfsdk:"id"`
+	AccountID  types.String `tfsdk:"account_id"`
+	ExternalID types.String `tfsdk:"external_id"`
+	Policy     types.String `tfsdk:"policy"`
+	Policies   types.Map    `tfsdk:"policies"`
 }
diff --git a/resources/environments/schema_aws_credential_prerequisites.go b/resources/environments/schema_aws_credential_prerequisites.go
index 3fc48bf7..6f75003f 100644
--- a/resources/environments/schema_aws_credential_prerequisites.go
+++ b/resources/environments/schema_aws_credential_prerequisites.go
@@ -14,6 +14,7 @@ import (
 	"context"
 	"github.com/hashicorp/terraform-plugin-framework/datasource"
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
 func (d *awsCredentialPrerequisitesDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
@@ -35,21 +36,10 @@ func (d *awsCredentialPrerequisitesDataSource) Schema(_ context.Context, _ datas
 				MarkdownDescription: "The related policy json encoded in base64",
 				Computed:            true,
 			},
-			"policies": schema.SetNestedAttribute{
+			"policies": schema.MapAttribute{
 				Computed:            true,
 				MarkdownDescription: "The fine-grained policies related to each service.",
-				NestedObject: schema.NestedAttributeObject{
-					Attributes: map[string]schema.Attribute{
-						"service": schema.StringAttribute{
-							Computed:            true,
-							MarkdownDescription: "The name of the service that requires the given policy for resource management.",
-						},
-						"policy_json": schema.StringAttribute{
-							Computed:            true,
-							MarkdownDescription: "The policy JSON encoded in base64.",
-						},
-					},
-				},
+				ElementType:         types.StringType,
 			},
 		},
 	}