diff --git a/gjs.spec b/gjs.spec
index eb0df28..95a4a32 100644
--- a/gjs.spec
+++ b/gjs.spec
@@ -8,6 +8,21 @@
 %global mozjs_major 115
 %global mozjs_version 115.7.0
 
+# LTO - Enable in Release builds, but consider disabling for development as it increases compile time
+%global mozjs_build_with_lto 1
+
+%if 0%{?mozjs_build_with_lto}
+# LTO is the default
+%else
+%define _lto_cflags %{nil}
+%endif
+
+# Disable LTO on aarch64 (borked since GCC14)
+# https://bugzilla.redhat.com/show_bug.cgi?id=2260867
+%ifarch aarch64
+%define _lto_cflags %{nil}
+%endif
+
 # Big endian platforms
 %ifarch ppc ppc64 s390 s390x
 %global big_endian 1
@@ -198,8 +213,10 @@ export CXX=g++
 # https://github.com/japaric/cargo-call-stack/issues/25
 export RUSTFLAGS="-C embed-bitcode"
 
+%if 0%{?mozjs_build_with_lto}
 # https://github.com/ptomato/mozjs/commit/36bb7982b41e0ef9a65f7174252ab996cd6777bd
 export CARGO_PROFILE_RELEASE_LTO=true
+%endif
 
 export LINKFLAGS="%{?__global_ldflags}"
 export PYTHON="%{__python3}"