diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ebc43e46..d1269a8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         exclude:
           # pycifrw 4.4.4 is broken on Windows / python 3.10
           - os: windows-latest