diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cc33da7e74224..b95d8ef2a06c2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -106,12 +106,11 @@ default:
     - !reference [.rusty-cachier, before_script]
     - !reference [.pipeline-stopper-vars, script]
   cache:
-    key: cargo-$CI_COMMIT_REF_SLUG-$CI_JOB_NAME_SLUG
+    key: Cargo.lock
     fallback_keys:
       - cargo-$CI_DEFAULT_BRANCH-$CI_JOB_NAME_SLUG
     paths:
-      - cargo_home
-      - cargo_target_dir
+      - dependencies.tar
     policy: pull-push
   tags:
     - linux-docker-vm-c2
@@ -128,6 +127,10 @@ default:
     - git restore-mtime
     - rusty-cachier --version
     - rusty-cachier project touch-changed
+    - "[ -f dependencies.tar ] && (tar xf dependencies.tar || echo Ignoring error while extracting dependencies.tar...)"
+  after_script:
+    - tar cfW dependencies.tar $CARGO_HOME $CARGO_TARGET_DIR
+
 
 .common-refs:
   rules: