diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00f2f30..d3d5f2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(blt-gp VERSION 0.1.19)
+project(blt-gp VERSION 0.1.20)
 
 include(CTest)
 
diff --git a/include/blt/gp/stack.h b/include/blt/gp/stack.h
index 21668eb..773a58b 100644
--- a/include/blt/gp/stack.h
+++ b/include/blt/gp/stack.h
@@ -20,7 +20,6 @@
 #define BLT_GP_STACK_H
 
 #include <blt/std/types.h>
-#include <blt/std/atomic_allocator.h>
 #include <blt/std/assert.h>
 #include <blt/std/logging.h>
 #include <blt/std/allocator.h>
diff --git a/lib/blt b/lib/blt
index 9ce6c89..6632d04 160000
--- a/lib/blt
+++ b/lib/blt
@@ -1 +1 @@
-Subproject commit 9ce6c89ce0145902d31515194a707a9aca948121
+Subproject commit 6632d045286b42d257eb3783e96256c13b588186