diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3fd21dcb..25d93649 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -236,7 +236,7 @@ jobs:
     - name: Install python dependencies
       run: |
         python -m pip install --upgrade pip wheel setuptools
-        pip install "cosmosis==3.9.2" "nautilus-sampler==1.0.1" "scipy<1.14"
+        pip install "cosmosis==3.13" "nautilus-sampler==1.0.1" "scipy"
         pip install -v --no-cache-dir --no-binary=mpi4py,camb mpi4py camb
         pip install fitsio astropy fast-pt "Cython>=3.0" jupyter sacc "act_dr6_lenslike>=1.0.2" "git+https://github.com/carronj/planck_PR4_lensing"