diff --git a/Makefile b/Makefile
index eb197cf3..bc4d96f1 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ $(shell echo "$(1)" | tr '[:lower:]' '[:upper:]')
 endef
 
 ifeq ($(BUILD_MODE), release)
-CARGO_BUILD_ARGS += --release
+CARGO_BUILD_ARGS += --release --offline
 endif
 
 .PHONY: all
diff --git a/pmg-rs/Makefile b/pmg-rs/Makefile
index 69b27987..22a5dbc6 100644
--- a/pmg-rs/Makefile
+++ b/pmg-rs/Makefile
@@ -1,4 +1,4 @@
-include /usr/share/dpkg/default.mk
+#include /usr/share/dpkg/default.mk
 
 PACKAGE=libpmg-rs-perl
 
@@ -24,7 +24,7 @@ PM_FILES := \
 	PMG/RS/TFA.pm
 
 ifeq ($(BUILD_MODE), release)
-CARGO_BUILD_ARGS += --release
+CARGO_BUILD_ARGS += --release --offline
 endif
 
 all:
@@ -37,7 +37,7 @@ endif
 .PHONY: build
 build:
 	rm -rf build
-	cargo build --release
+	cargo build --release --offline
 	rsync -a debian Makefile Cargo.toml Cargo.lock src target PMG build/
 
 .PHONY: install
diff --git a/pve-rs/Makefile b/pve-rs/Makefile
index 0b53d4d2..1bcd5c48 100644
--- a/pve-rs/Makefile
+++ b/pve-rs/Makefile
@@ -1,4 +1,4 @@
-include /usr/share/dpkg/default.mk
+#include /usr/share/dpkg/default.mk
 
 PACKAGE=libpve-rs-perl
 export PERLMOD_PRODUCT=PVE
@@ -25,7 +25,7 @@ PM_FILES := \
 	PVE/RS/TFA.pm
 
 ifeq ($(BUILD_MODE), release)
-CARGO_BUILD_ARGS += --release
+CARGO_BUILD_ARGS += --release --offline
 endif
 
 all:
@@ -38,7 +38,7 @@ endif
 .PHONY: build
 build:
 	rm -rf build
-	cargo build --release
+	cargo build --release --offline
 	rsync -a debian Makefile Cargo.toml Cargo.lock src target PVE build/
 
 .PHONY: install