diff --git a/CMakeLists.txt b/CMakeLists.txt
index aaf81d48..ef6e5d54 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,9 +23,9 @@ set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++ -std=c++20 -pthread -flto=full")
 
 #set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -march=native -Wall -Wextra -Wfatal-errors -ftrivial-auto-var-init=uninitialized -Wno-error=unused-command-line-argument -Wuninitialized -std=c++20 -g -gcodeview -Wl,--pdb=Zagreus.pdb")
-#set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=x86-64 -mlzcnt -Wall -Wextra -Wfatal-errors -Wuninitialized -fuse-ld=lld -std=c++20 -pthread -flto")
 #set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=native -Wall -Wextra -Wuninitialized -Wfatal-errors -std=c++20 -pthread -flto -fprofile-generate -fprofile-instr-use=tuner.profdata")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=native -Wall -Wextra -Wuninitialized -Wfatal-errors -std=c++20 -pthread -flto")
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=x86-64 -mlzcnt -Wall -Wextra -Wfatal-errors -Wuninitialized -fuse-ld=lld -std=c++20 -pthread -flto")
+#set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=native -Wall -Wextra -Wuninitialized -Wfatal-errors -std=c++20 -pthread -flto")
 
 file(GLOB inc_zagreus "src/*.h" "src/*.cpp")
 file(GLOB inc_senjo "senjo/*.h" "senjo/*.cpp")
diff --git a/src/engine.cpp b/src/engine.cpp
index 6616267d..45aa3612 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -82,7 +82,7 @@ namespace Zagreus {
     }
 
     std::string ZagreusEngine::getEngineVersion() {
-        return "v2.0.0";
+        return "v2.1.0";
     }
 
     std::string ZagreusEngine::getAuthorName() {