diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 089f0528..cff42ccd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -93,6 +93,7 @@ jobs:
           uv run pytest -s --nbval --cov=pysrc ./pytest/
         env:
           PYTHON_JULIACALL_THREADS: '2'
+          PYTHON_JULIACALL_HANDLE_SIGNALS: 'yes'
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
diff --git a/src/C/consts.jl b/src/C/consts.jl
index 0bad8267..5df9be37 100644
--- a/src/C/consts.jl
+++ b/src/C/consts.jl
@@ -316,14 +316,12 @@ end
     vectorcall::Ptr{Cvoid} = C_NULL
 
     # Python 3.12+ fields
-    tp_watched::Cchar = 0
+    watched::Cuchar = 0
     
     # Python 3.13+ fields  
-    tp_versions_used::Cushort = 0
+    versions_used::UInt16 = 0
 end
 
-const PyTypePtr = Ptr{PyTypeObject}
-
 @kwdef struct PySimpleObject{T}
     ob_base::PyObject = PyObject()
     value::T