diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index cafdc811bb..6720e8980f 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -67,6 +67,7 @@ jobs:
           mkdir -p ~/.abinit/pseudos
           cp -r tests/test_data/abinit/pseudos/ONCVPSP-PBE-SR-PDv0.4 ~/.abinit/pseudos
           uv pip install .[strict,strict-forcefields,tests,abinit]
+          micromamba install -n a2 -c conda-forge phono3py --yes  # Added
           uv pip install torch-runstats
           uv pip install --no-deps nequip==0.5.6
 
diff --git a/pyproject.toml b/pyproject.toml
index 3bc1c68ec7..6892c1c2eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -130,7 +130,6 @@ strict = [
 	"hiphive @ git+https://gitlab.com/jsyony37/hiphive.git@personal#egg=hiphive",
     "f90nml==1.4.4",
     "spglib>=2.2.0",
-    "phono3py",
     "scipy==1.14.1",
 ]
 strict-forcefields = [