diff --git a/noxfile.py b/noxfile.py
index 2cbd79e7..087443c9 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -108,26 +108,22 @@ class ReverseDependency:
         ReverseDependency(
             "https://github.com/thierry-martinez/graphix-stim-backend",
             branch="fix_graphix423",
-            version_constraint=VersionRange(upper=Version("3.14")),
         ),
         ReverseDependency(
             # "https://github.com/TeamGraphix/graphix-symbolic",
             "https://github.com/thierry-martinez/graphix-symbolic",
-            branch="fix/graphix_220",
-            version_constraint=VersionRange(upper=Version("3.14")),
+            branch="python_314",
         ),
         ReverseDependency("https://github.com/TeamGraphix/graphix-qasm-parser", branch="fix_angles"),
         ReverseDependency(
             "https://github.com/thierry-martinez/veriphix",
             branch="graphix_181",
-            version_constraint=VersionRange(upper=Version("3.14")),
             doctest_modules=False,
             initialization=lambda session: session.run("python", "-m", "veriphix.sampling_circuits.experiments"),
         ),
         ReverseDependency(
             "https://github.com/thierry-martinez/graphix-ibmq",
-            branch="fix/graphix_423",
-            version_constraint=VersionRange(upper=Version("3.14")),
+            branch="python_314",
             doctest_modules=False,
         ),
     ],
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 45fbf98d..8004a19e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -23,7 +23,7 @@ pytest-mpl
 # Optional dependencies
 qiskit>=1.0
 qiskit_qasm3_import
-qiskit-aer; python_version < "3.14"
+qiskit-aer
 
 openqasm-parser>=3.1.0
 graphix-qasm-parser>=0.1.1
diff --git a/tests/test_branch_selector.py b/tests/test_branch_selector.py
index 689a98b2..db76233b 100644
--- a/tests/test_branch_selector.py
+++ b/tests/test_branch_selector.py
@@ -95,14 +95,14 @@ def test_random_branch_selector(fx_rng: Generator, backend: _BackendLiteral) ->
         "tensornetwork",
     ],
 )
-def test_random_branch_selector_without_pr_calc(backend: _BackendLiteral) -> None:
+def test_random_branch_selector_without_pr_calc(fx_rng: Generator, backend: _BackendLiteral) -> None:
     branch_selector = RandomBranchSelector(pr_calc=False)
     # Pattern that measures 0 on qubit 0 with probability > 0.999999999, to avoid numerical errors when exploring impossible branches.
     pattern = Pattern(cmds=[N(0), M(0, Measurement.XY(1e-5))])
     nb_outcome_1 = 0
     for _ in range(NB_ROUNDS):
         measure_method = DefaultMeasureMethod()
-        pattern.simulate_pattern(backend, branch_selector=branch_selector, measure_method=measure_method)
+        pattern.simulate_pattern(backend, branch_selector=branch_selector, measure_method=measure_method, rng=fx_rng)
         if measure_method.results[0]:
             nb_outcome_1 += 1
     assert abs(nb_outcome_1 - NB_ROUNDS / 2) < NB_ROUNDS / 5