diff --git a/examples/SW_of_Roesslers.py b/examples/SW_of_Roesslers.py
index 1401ffe..75608f6 100644
--- a/examples/SW_of_Roesslers.py
+++ b/examples/SW_of_Roesslers.py
@@ -67,7 +67,7 @@ def small_world_network(number_of_nodes, nearest_neighbours, rewiring_probabilit
 	# parameters
 	# ----------
 	
-	rng = np.random.default_rng()
+	rng = np.random.default_rng(seed=42)
 	N = 500
 	ω = rng.uniform(0.8,1.0,N)
 	a = 0.165
diff --git a/examples/benchmark.py b/examples/benchmark.py
index ac29330..f56af21 100644
--- a/examples/benchmark.py
+++ b/examples/benchmark.py
@@ -144,7 +144,7 @@ def get_compiled_function(f):
 )
 
 
-rng = np.random.default_rng()
+rng = np.random.default_rng(seed=42)
 
 n, c, q = 100, 3.0, 0.2
 A = rng.choice( [1,0], size=(n,n), p=[q,1-q] )
diff --git a/examples/double_fhn_restricted_lyap.py b/examples/double_fhn_restricted_lyap.py
index 6f88efc..64fa37a 100644
--- a/examples/double_fhn_restricted_lyap.py
+++ b/examples/double_fhn_restricted_lyap.py
@@ -6,7 +6,7 @@
 from jitcode import jitcode_restricted_lyap, y
 
 
-rng = np.random.default_rng()
+rng = np.random.default_rng(seed=42)
 
 a  = -0.025794
 b1 =  0.01
diff --git a/examples/kuramoto_network.py b/examples/kuramoto_network.py
index 8a9e194..704acda 100755
--- a/examples/kuramoto_network.py
+++ b/examples/kuramoto_network.py
@@ -4,7 +4,7 @@
 from jitcode import jitcode, y
 
 
-rng = np.random.default_rng()
+rng = np.random.default_rng(seed=42)
 
 n = 100
 c = 3.0
diff --git a/tests/test_generation.py b/tests/test_generation.py
index 8df0529..f9bbb6c 100644
--- a/tests/test_generation.py
+++ b/tests/test_generation.py
@@ -64,7 +64,7 @@ def setUp(self):
 
 class FurtherHelpersTests(unittest.TestCase):
 	def test_identity_of_jacs(self):
-		rng = np.random.default_rng()
+		rng = np.random.default_rng(seed=42)
 		x = rng.random(n)
 		
 		def evaluate(scenario):
@@ -83,7 +83,7 @@ def evaluate(scenario):
 			)
 	
 	def test_identity_of_lyaps(self):
-		rng = np.random.default_rng()
+		rng = np.random.default_rng(seed=42)
 		x = rng.random((n+1)*n)
 		
 		def evaluate(scenario):
diff --git a/tests/test_integrator_tools.py b/tests/test_integrator_tools.py
index 0fcecb2..db0b3f0 100644
--- a/tests/test_integrator_tools.py
+++ b/tests/test_integrator_tools.py
@@ -10,7 +10,7 @@
 from scenarios import n, vanilla, y0, y1
 
 
-rng = np.random.default_rng()
+rng = np.random.default_rng(seed=42)
 
 # Generating compiled functions
 
diff --git a/tests/test_transversal_lyap.py b/tests/test_transversal_lyap.py
index d2e5554..5fbaeb4 100644
--- a/tests/test_transversal_lyap.py
+++ b/tests/test_transversal_lyap.py
@@ -15,7 +15,7 @@
 from jitcode import jitcode_restricted_lyap, jitcode_transversal_lyap, y
 
 
-rng = np.random.default_rng()
+rng = np.random.default_rng(seed=42)
 
 a = -0.025794
 b =  0.01