diff --git a/.github/workflows/liquid.yml b/.github/workflows/liquid.yml
index cb1087695..58e028bda 100644
--- a/.github/workflows/liquid.yml
+++ b/.github/workflows/liquid.yml
@@ -14,7 +14,19 @@ jobs:
           - { ruby: 3.0, allowed-failure: false } # minimum supported
           - { ruby: 3.2, allowed-failure: false }
           - { ruby: 3.3, allowed-failure: false } # latest
+          - {
+              ruby: 3.3,
+              allowed-failure: false,
+              rubyopt: "--enable-frozen-string-literal",
+            }
+          - { ruby: 3.3, allowed-failure: false, rubyopt: "--yjit" }
           - { ruby: ruby-head, allowed-failure: false }
+          - {
+              ruby: ruby-head,
+              allowed-failure: false,
+              rubyopt: "--enable-frozen-string-literal",
+            }
+          - { ruby: ruby-head, allowed-failure: false, rubyopt: "--yjit" }
     name: Test Ruby ${{ matrix.entry.ruby }}
     steps:
       - uses: actions/checkout@v3
@@ -25,6 +37,8 @@ jobs:
           bundler: latest
       - run: bundle exec rake
         continue-on-error: ${{ matrix.entry.allowed-failure }}
+        env:
+          RUBYOPT: ${{ matrix.entry.rubyopt }}
 
   memory_profile:
     runs-on: ubuntu-latest