diff --git a/.circleci/config.yml b/.circleci/config.yml
index f9ae56ca58905..bc7c90086f596 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -367,6 +367,19 @@ jobs:
           command: |
             yarn extract-errors
             git diff --quiet || (echo "Found unminified errors. Either update the error codes map or disable error minification for the affected build, if appropriate." && false)
+  
+  check_generated_fizz_runtime:
+    docker: *docker
+    environment: *environment
+    steps:
+      - checkout
+      - attach_workspace: *attach_workspace
+      - *restore_node_modules
+      - run:
+          name: Confirm generated inline Fizz runtime is up to date
+          command: |
+            yarn generate-inline-fizz-runtime
+            git diff --quiet || (echo "There was a change to the Fizz runtime. Run `yarn generate-inline-fizz-runtime` and check in the result." && false)
 
   yarn_test:
     docker: *docker
@@ -494,6 +507,9 @@ workflows:
       - sync_reconciler_forks:
           requires:
             - setup
+      - check_generated_fizz_runtime:
+          requires:
+            - setup    
       - yarn_lint:
           requires:
             - setup