diff --git a/.circleci/config.yml b/.circleci/config.yml
index 06c63b39ebe..3fa28258858 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,6 +34,8 @@ commands:
         type: string
     steps:
       - checkout
+      - restore_cache:
+          key: optional-dependencies-{{ checksum "test_requirements/requirements_optional.txt" }}-{{ checksum parameters.py }}
       - browser-tools/install-chrome
       - browser-tools/install-chromedriver
       - run:
@@ -46,6 +48,12 @@ commands:
             cd js
             npm ci
             npm run build
+      
+      - save_cache:
+          paths:
+            - venv
+          key: optional-dependencies-{{ checksum "test_requirements/requirements_optional.txt" }}-{{ checksum parameters.py }}
+      
       - run:
           name: Test core
           command: |
@@ -71,7 +79,7 @@ commands:
             pytest tests/test_io
           no_output_timeout: 20m
       - run:
-          name: Test dependencdies not imported
+          name: Test dependencies not imported
           command: |
             . venv/bin/activate
             python -m pytest -x test_init/test_dependencies_not_imported.py