diff --git a/index.cfm b/index.cfm
index 4b7c260..3697804 100644
--- a/index.cfm
+++ b/index.cfm
@@ -1 +1 @@
-<cfsetting showdebugoutput=no enablecfoutputonly=yes><cfoutput>OK v1.0.2</cfoutput>
+<cfsetting showdebugoutput=no enablecfoutputonly=yes><cfoutput>OK v1.0.3</cfoutput>
diff --git a/upload.cfm b/upload.cfm
index 228f47a..1a65b8d 100644
--- a/upload.cfm
+++ b/upload.cfm
@@ -20,41 +20,43 @@
 
         <cffile action="readBinary" file="#upload.serverDirectory#/#upload.serverFile#" variable="fileBytes">
 
-        <cfquery datasource="baza">
-            INSERT INTO documents (filename, mime_type, original_bytes, status) 
-            VALUES (
-                <cfqueryparam value="#upload.clientFile#" cfsqltype="cf_sql_varchar">,
-                <cfqueryparam value="#mime#" cfsqltype="cf_sql_varchar">,
-                <cfqueryparam value="#fileBytes#" cfsqltype="cf_sql_blob">,
-                'uploaded'
-            )
-        </cfquery>
+        <cftransaction>
+            <cfquery datasource="baza">
+                INSERT INTO documents (filename, mime_type, original_bytes, status) 
+                VALUES (
+                    <cfqueryparam value="#upload.clientFile#" cfsqltype="cf_sql_varchar">,
+                    <cfqueryparam value="#mime#" cfsqltype="cf_sql_varchar">,
+                    <cfqueryparam value="#fileBytes#" cfsqltype="cf_sql_blob">,
+                    'uploaded'
+                )
+            </cfquery>
 
-        <cfquery name="doc" datasource="baza">
-            SELECT id FROM documents 
-            WHERE filename = <cfqueryparam value="#upload.clientFile#" cfsqltype="cf_sql_varchar">
-            AND status = 'uploaded' 
-            ORDER BY created_at DESC LIMIT 1
-        </cfquery>
+            <cfquery name="doc" datasource="baza">
+                SELECT id FROM documents 
+                WHERE filename = <cfqueryparam value="#upload.clientFile#" cfsqltype="cf_sql_varchar">
+                AND status = 'uploaded' 
+                ORDER BY created_at DESC LIMIT 1
+            </cfquery>
 
-        <cfquery datasource="baza">
-            INSERT INTO contracts (number, client) VALUES (
-                <cfqueryparam value="б/н #dateFormat(now(), 'yyyymmdd')#-#timeFormat(now(), 'HHmm')#" cfsqltype="cf_sql_varchar">,
-                ''
-            )
-        </cfquery>
+            <cfquery datasource="baza">
+                INSERT INTO contracts (number, client) VALUES (
+                    <cfqueryparam value="б/н #dateFormat(now(), 'yyyymmdd')#-#timeFormat(now(), 'HHmm')#" cfsqltype="cf_sql_varchar">,
+                    ''
+                )
+            </cfquery>
 
-        <cfquery name="cid" datasource="baza">
-            SELECT id FROM contracts ORDER BY created_at DESC LIMIT 1
-        </cfquery>
+            <cfquery name="cid" datasource="baza">
+                SELECT id FROM contracts ORDER BY created_at DESC LIMIT 1
+            </cfquery>
 
-        <cfquery datasource="baza">
-            INSERT INTO supplements (contract_id, document_id, type) VALUES (
-                <cfqueryparam value="#cid.id#" cfsqltype="cf_sql_varchar">,
-                <cfqueryparam value="#doc.id#" cfsqltype="cf_sql_varchar">,
-                'initial'
-            )
-        </cfquery>
+            <cfquery datasource="baza">
+                INSERT INTO supplements (contract_id, document_id, type) VALUES (
+                    <cfqueryparam value="#cid.id#" cfsqltype="cf_sql_varchar">,
+                    <cfqueryparam value="#doc.id#" cfsqltype="cf_sql_varchar">,
+                    'initial'
+                )
+            </cfquery>
+        </cftransaction>
 
         <cfset result = {ok: true, contract_id: cid.id, doc_id: doc.id, filename: upload.clientFile, size: upload.fileSize}>
     </cfif>