diff --git a/.circleci/config.yml b/.circleci/config.yml
index ddac32e54..96e75b04c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1039,7 +1039,7 @@ jobs:
     <<: *base_ubuntu2004_large
     environment:
       EVM: "shanghai"
-      SOLTEST_FLAGS: "--eof-version 1"
+      SOLTEST_FLAGS: "--eof-version 1 --optimize"
       BOOST_TEST_ARGS: "-t sem*"
     steps:
       - run: