diff --git a/debian/rules b/debian/rules
index fd36227..013d778 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,7 +9,7 @@ export PIKA_BUILD_ARCH = $(shell cat ../pika-build-arch)
 override_dh_prep:
 # amd64 build prep
 ifeq (amd64-v3,$(PIKA_BUILD_ARCH))
-export RUSTFLAGS = -C target-cpu=x86-64-v3 -C lto=fat -C embed-bitcode -C codegen-units=1 -C opt-level=3
+export RUSTFLAGS = -C target-cpu=x86-64-v3 -C lto=fat -C embed-bitcode -C codegen-units=1 -C opt-level=3 -Zdylib-lto
 endif
 
 BUILDFLAGS := --release