diff --git a/.env b/.env
index 52ab7eb..aded1d4 100644
--- a/.env
+++ b/.env
@@ -1 +1 @@
-FEITCSI_VERSION=1.1.0
\ No newline at end of file
+FEITCSI_VERSION=1.1.1
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 1ebfe47..bb02b00 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ INCLUDE_LIB_DIRS =
 INCLUDE_LIB = $(foreach includedir,$(INCLUDE_LIB_DIRS),-L$(includedir))
 
 # Set compiler, preprocesor and linker flags
-CXXFLAGS +=  -g -O3 -Wall -std=c++17 $(CDEFS) $(INCLUDE)
+CXXFLAGS +=  -g -O1 -Wall -std=c++17 $(CDEFS) $(INCLUDE)
 CPPFLAGS += `pkg-config --cflags gtkmm-3.0 libnl-3.0 libnl-genl-3.0 libpcap`
 LDFLAGS += $(INCLUDE_LIB)
 LDLIBS += `pkg-config --libs gtkmm-3.0 libnl-3.0 libnl-genl-3.0 libpcap`