diff --git a/portage/env/firefox.conf b/portage/env/firefox.conf
index dc686b1..f8df5db 100644
--- a/portage/env/firefox.conf
+++ b/portage/env/firefox.conf
@@ -3,16 +3,16 @@
 # Copyright 2022-2023 Inference
 # SPDX-License-Identifier: BSD-3-Clause-Clear
 
-# Version: 3.0.1.4
+# Version: 4.0.0.5
 
 
 # Flags
 ## Hardening flags
-#C_SEC="-fPIC -fPIE -fstack-clash-protection -fstack-protector-strong -ftrivial-auto-var-init=zero -fwrapv"
-#LD_SEC="-Wl,-pie -Wl,--strip-all -Wl,-z,defs -Wl,-z,now -Wl,-z,relro"
+C_SEC="-fPIC -fPIE -fstack-clash-protection -fstack-protector-strong -ftrivial-auto-var-init=zero -fwrapv"
+LD_SEC="-Wl,-pie -Wl,-z,defs -Wl,-z,now -Wl,-z,relro"
 ## Compiler flags
 CFLAGS="-march=znver3 -mtune=znver3 -O2 -pipe -U__gnu_linux__"
 CXXFLAGS="-march=znver3 -mtune=znver3 -O2 -pipe"
 RUSTFLAGS="-C debuginfo=0 -C opt-level=2 -C target-cpu=znver3"
 ## Linker flags
-LDFLAGS="-fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind"
+LDFLAGS="-fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,--strip-all"