diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7fda6358..48497160 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
         node: [22]
         # Top 5 from https://majors.nullvoxpopuli.com/q?minors=on&packages=typescript
         # We cannot test 4.9 because it's error throwing is slightly different from v5.
-        typescript: ["5.2", "5.3", "5.4", "4.5"]
+        typescript: ["5.2", "5.3", "5.4", "5.5"]
 
     steps:
       - name: Set up Node