diff --git a/jammy-amd64-tf-a-build/Dockerfile b/jammy-amd64-tf-a-build/Dockerfile
index a5566bc..0f5581e 100644
--- a/jammy-amd64-tf-a-build/Dockerfile
+++ b/jammy-amd64-tf-a-build/Dockerfile
@@ -111,8 +111,8 @@
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
         sh -s -- --default-toolchain 1.85.0 -y
 RUN set -ex ;\
-    cargo install 'tokei@12.1.*' ;\
-    cargo install cargo-binutils ;\
+    cargo install --locked 'tokei@12.1.*' ;\
+    cargo install --locked cargo-binutils ;\
     cargo install --locked cargo-vet ;\
     rustup target add aarch64-unknown-none-softfloat ;\
     rustup component add llvm-tools rustfmt