diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8f60f876b41..7f7a06eb2db 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -33,12 +33,12 @@ _commands:
         - restore_cache:
             name: Restore Cache << parameters.key >>
             keys:
-              - "<< parameters.key >>-v11\
+              - "<< parameters.key >>-v12\
                 -{{ arch }}\
                 -{{ .Branch }}\
                 -{{ .Environment.CIRCLE_PR_NUMBER }}\
                 -{{ checksum  \"<< parameters.workspace >>/lockfile.txt\" }}"
-              - "<< parameters.key >>-v11\
+              - "<< parameters.key >>-v12\
                 -{{ arch }}\
                 -main\
                 -<no value>\
@@ -58,7 +58,7 @@ _commands:
       steps:
         - save_cache:
             name: Save Cache << parameters.key >>
-            key: "<< parameters.key >>-v11\
+            key: "<< parameters.key >>-v12\
               -{{ arch }}\
               -{{ .Branch }}\
               -{{ .Environment.CIRCLE_PR_NUMBER }}\
@@ -442,7 +442,7 @@ _environments:
     UNDERLAY_MIXINS: "release ccache lld"
     CCACHE_LOGFILE: "/tmp/ccache.log"
     CCACHE_MAXSIZE: "200M"
-    MAKEFLAGS: "-j 2 -l 2 "
+    # MAKEFLAGS: "-j 4 -l 4 "
     COLCON_DEFAULTS_FILE: "/tmp/defaults.yaml"
     RCUTILS_LOGGING_BUFFERED_STREAM: "0"
     RCUTILS_LOGGING_USE_STDOUT: "0"
@@ -450,6 +450,7 @@ _environments:
 
 executors:
   release_exec:
+    resource_class: large
     docker:
       - image: ghcr.io/ros-planning/navigation2:main
     working_directory: /opt/overlay_ws
diff --git a/.circleci/defaults.yaml b/.circleci/defaults.yaml
index e0d946f78ee..90a99d654f5 100644
--- a/.circleci/defaults.yaml
+++ b/.circleci/defaults.yaml
@@ -6,7 +6,7 @@ _common: &common
 "build":
   <<: *common
   "executor": "parallel"
-  "parallel-workers": 2
+  # "parallel-workers": 4
   "symlink-install": true
 "test":
   <<: *common