diff --git a/CMakeLists.txt b/CMakeLists.txt
index 048c0ce..bab8607 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.25)
+cmake_minimum_required(VERSION 3.20.2)
 project(Assignment_1 C CXX)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
@@ -45,7 +45,6 @@ target_compile_options(Assignment_1 PRIVATE -Wall -Wextra -Wpedantic -Wno-commen
 target_link_options(Assignment_1 PRIVATE -Wall -Wextra -Wpedantic -Wno-comment)
 target_link_libraries(Assignment_1 PUBLIC m)
 target_link_libraries(Assignment_1 PUBLIC pthread)
-target_link_libraries(Assignment_1 PUBLIC stdc++fs)
 
 if (${ENABLE_ADDRSAN} MATCHES ON)
     target_compile_options(Assignment_1 PRIVATE -fsanitize=address)
@@ -73,7 +72,6 @@ target_link_libraries(Assignment_1_RUNNER PUBLIC pthread)
 target_include_directories(Assignment_1_RUNNER PUBLIC RUNNER)
 target_compile_options(Assignment_1_RUNNER PRIVATE -Wall -Wextra -Wpedantic -Wno-comment)
 target_link_options(Assignment_1_RUNNER PRIVATE -Wall -Wextra -Wpedantic -Wno-comment)
-target_link_libraries(Assignment_1_RUNNER PUBLIC stdc++fs)
 add_dependencies(Assignment_1_RUNNER Assignment_1)
 
 if (${ENABLE_ADDRSAN} MATCHES ON)
diff --git a/lib/blt b/lib/blt
index fcf2a19..558ed1e 160000
--- a/lib/blt
+++ b/lib/blt
@@ -1 +1 @@
-Subproject commit fcf2a19ca160db1af053f77a1f35cb3bd998bfa5
+Subproject commit 558ed1e0fdc147551d004891dda6dd3b24f61aa2