diff --git a/validator/db/celldb.hpp b/validator/db/celldb.hpp
index aeb92dd3a..0f88066a4 100644
--- a/validator/db/celldb.hpp
+++ b/validator/db/celldb.hpp
@@ -37,7 +37,7 @@ namespace ton {
 
 namespace validator {
 
-const int THREAD_COUNTS = 20;
+const int THREAD_COUNTS = 10;
 
 int GetRandom();