diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b3b16f..b242628 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(blt-gp VERSION 0.1.5)
+project(blt-gp VERSION 0.1.6)
 
 include(CTest)
 
diff --git a/examples/symbolic_regression.cpp b/examples/symbolic_regression.cpp
index f61ce8a..76a7b35 100644
--- a/examples/symbolic_regression.cpp
+++ b/examples/symbolic_regression.cpp
@@ -40,7 +40,7 @@ blt::gp::prog_config_t config = blt::gp::prog_config_t()
         .set_reproduction_chance(0)
         .set_max_generations(50)
         .set_pop_size(500)
-        .set_thread_count(0);
+        .set_thread_count(1);
 
 blt::gp::type_provider type_system;
 blt::gp::gp_program program{type_system, SEED, config};
diff --git a/lib/blt b/lib/blt
index 941aa68..9799040 160000
--- a/lib/blt
+++ b/lib/blt
@@ -1 +1 @@
-Subproject commit 941aa6809c92f05c64ca6624d5898958cfac496d
+Subproject commit 97990401e2332276b5397060a3ccaf19f07fb999