1diff --git a/rules.mk b/rules.mk
2index b31c531..6b9ef75 100644
3--- a/rules.mk
4+++ b/rules.mk
5@@ -15,6 +15,8 @@ MODULE_RUSTFLAGS += \
6
7 MODULE_LIBRARY_DEPS := \
8 	external/rust/crates/der \
9+	external/rust/crates/pkcs8 \
10 	external/rust/crates/spki \
11+	external/rust/crates/zeroize \
12
13 include make/library.mk
14