diff --git a/examples/usage.jl b/examples/usage.jl
index c6838e0f..655d1dd1 100644
--- a/examples/usage.jl
+++ b/examples/usage.jl
@@ -57,7 +57,7 @@ using DataFrames, MLJBase, Zygote, ADTypes, OptimizationOptimisers
 df = DataFrame(transpose(r), :auto)
 model = ICNFModel(
     icnf;
-    optimizers = (Lion(),),
+    optimizers = (OptimiserChain(SignDecay(), WeightDecay(), Adam()),),
     n_epochs = 300,
     adtype = AutoZygote(),
     batch_size = 512,
diff --git a/src/exts/mlj_ext/core_cond_icnf.jl b/src/exts/mlj_ext/core_cond_icnf.jl
index 223c2a03..e400adfe 100644
--- a/src/exts/mlj_ext/core_cond_icnf.jl
+++ b/src/exts/mlj_ext/core_cond_icnf.jl
@@ -13,7 +13,13 @@ end
 function CondICNFModel(
     m::AbstractICNF,
     loss::Function = loss;
-    optimizers::Tuple = (Optimisers.Lion(),),
+    optimizers::Tuple = (
+        Optimisers.OptimiserChain(
+            Optimisers.SignDecay(),
+            Optimisers.WeightDecay(),
+            Optimisers.Adam(),
+        ),
+    ),
     n_epochs::Int = 300,
     adtype::ADTypes.AbstractADType = ADTypes.AutoZygote(),
     batch_size::Int = 32,
diff --git a/src/exts/mlj_ext/core_icnf.jl b/src/exts/mlj_ext/core_icnf.jl
index 7b31b0b1..91ff7c2c 100644
--- a/src/exts/mlj_ext/core_icnf.jl
+++ b/src/exts/mlj_ext/core_icnf.jl
@@ -13,7 +13,13 @@ end
 function ICNFModel(
     m::AbstractICNF,
     loss::Function = loss;
-    optimizers::Tuple = (Optimisers.Lion(),),
+    optimizers::Tuple = (
+        Optimisers.OptimiserChain(
+            Optimisers.SignDecay(),
+            Optimisers.WeightDecay(),
+            Optimisers.Adam(),
+        ),
+    ),
     n_epochs::Int = 300,
     adtype::ADTypes.AbstractADType = ADTypes.AutoZygote(),
     batch_size::Int = 32,