diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml
index 4ad8e9ae9a9..8b7126d81d0 100644
--- a/src/ci/github-actions/jobs.yml
+++ b/src/ci/github-actions/jobs.yml
@@ -232,7 +232,7 @@ auto:
   # Tests integration with Rust for Linux.
   # Builds stage 1 compiler and tries to compile a few RfL examples with it.
   - image: x86_64-rust-for-linux
-    <<: *job-linux-8c
+    <<: *job-linux-4c
 
   - image: x86_64-gnu
     <<: *job-linux-4c
@@ -280,7 +280,7 @@ auto:
   - image: x86_64-gnu-tools
     env:
       DEPLOY_TOOLSTATES_JSON: toolstates-linux.json
-    <<: *job-linux-8c
+    <<: *job-linux-4c
 
   ####################
   #  macOS Builders  #