diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ada2a99..c7c0ecfc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -40,7 +40,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.12"
       - name: Install dependencies
         run: pip install build twine
       - name: Semantic Release
diff --git a/tests/conftest.py b/tests/conftest.py
index 34376088..64e1fd94 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -35,14 +35,14 @@
 
 @pytest.fixture(scope="module")
 def tokenizer() -> PreTrainedTokenizer | PreTrainedTokenizerFast:
-    tokenizer = AutoTokenizer.from_pretrained("EleutherAI/pythia-160m")
+    tokenizer = AutoTokenizer.from_pretrained("EleutherAI/pythia-70m")
     tokenizer.pad_token = tokenizer.eos_token
     return tokenizer
 
 
 @pytest.fixture(scope="module")
 def model() -> PreTrainedModel:
-    model = AutoModel.from_pretrained("EleutherAI/pythia-160m")
+    model = AutoModel.from_pretrained("EleutherAI/pythia-70m")
     return model
 
 
@@ -73,7 +73,7 @@ def cache_setup(tmp_path_factory, mock_dataset: torch.Tensor, model: PreTrainedM
         sampler_cfg=SamplerConfig(),
         cache_cfg=cache_cfg,
         model="EleutherAI/pythia-160m",
-        sparse_model="EleutherAI/sae-pythia-160m-32k",
+        sparse_model="EleutherAI/sae-pythia-70m-32k",
         hookpoints=["layers.1"],
     )
     hookpoint_to_sparse_encode, _ = load_hooks_sparse_coders(model, run_cfg_gemma)
diff --git a/tests/test_latents/test_cache.py b/tests/test_latents/test_cache.py
index c62c1cd6..82a93647 100644
--- a/tests/test_latents/test_cache.py
+++ b/tests/test_latents/test_cache.py
@@ -71,7 +71,6 @@ def test_config_file(cache_setup: dict[str, Any]):
     with open(config_path, "r") as f:
         config = json.load(f)
     cache_cfg = cache_setup["cache_cfg"]
-
     assert config["batch_size"] == cache_cfg.batch_size, "Config batch_size mismatch"
-    assert config["cache_ctx_len"] == cache_cfg.cache_ctx_len, "Cache_ctx_len mismatch"
+    assert config["cache_ctx_len"] == cache_cfg.cache_ctx_len, "ctx_len mismatch"
     assert config["n_tokens"] == cache_cfg.n_tokens, "Config n_tokens mismatch"
diff --git a/tests/test_latents/test_constructor.py b/tests/test_latents/test_constructor.py
index 0987edfa..8f74afdd 100644
--- a/tests/test_latents/test_constructor.py
+++ b/tests/test_latents/test_constructor.py
@@ -40,7 +40,6 @@ def test_save_load_cache(
     tokens: Int[Tensor, "examples ctx_len"] = dataset.load_tokens()  # type: ignore
     assert (tokens == cache_setup["tokens"][: len(tokens)]).all()
     for record in dataset:
-        print(record)
         assert len(record.train) <= sampler_cfg.n_examples_train
         assert len(record.test) <= sampler_cfg.n_examples_test