diff --git a/ivy/functional/backends/jax/elementwise.py b/ivy/functional/backends/jax/elementwise.py
index 056996b8cc710..eb55534b074fa 100644
--- a/ivy/functional/backends/jax/elementwise.py
+++ b/ivy/functional/backends/jax/elementwise.py
@@ -28,6 +28,7 @@ def abs(
     return jnp.where(x != 0, jnp.absolute(x), 0)
 
 
+@with_unsupported_dtypes({"0.4.23 and below": ("complex",)}, backend_version)
 def acos(x: JaxArray, /, *, out: Optional[JaxArray] = None) -> JaxArray:
     return jnp.arccos(x)
 
diff --git a/ivy/functional/backends/torch/elementwise.py b/ivy/functional/backends/torch/elementwise.py
index 7aec8d25c8a0c..b9ab20789a2de 100644
--- a/ivy/functional/backends/torch/elementwise.py
+++ b/ivy/functional/backends/torch/elementwise.py
@@ -403,7 +403,7 @@ def greater_equal(
 greater_equal.support_native_out = True
 
 
-@with_unsupported_dtypes({"2.1.2 and below": ("float16",)}, backend_version)
+@with_unsupported_dtypes({"2.1.2 and below": ("complex",)}, backend_version)
 @handle_numpy_arrays_in_specific_backend
 def acos(x: torch.Tensor, /, *, out: Optional[torch.Tensor] = None) -> torch.Tensor:
     x = _cast_for_unary_op(x)
diff --git a/ivy_tests/test_ivy/test_functional/test_core/test_elementwise.py b/ivy_tests/test_ivy/test_functional/test_core/test_elementwise.py
index cea111ff23d2e..d5a9f9522c5dc 100644
--- a/ivy_tests/test_ivy/test_functional/test_core/test_elementwise.py
+++ b/ivy_tests/test_ivy/test_functional/test_core/test_elementwise.py
@@ -177,7 +177,7 @@ def test_abs(*, dtype_and_x, test_flags, backend_fw, fn_name, on_device):
 @handle_test(
     fn_tree="functional.ivy.acos",
     dtype_and_x=helpers.dtype_and_values(
-        available_dtypes=helpers.get_dtypes("valid"),
+        available_dtypes=helpers.get_dtypes("float_and_complex"),
         large_abs_safety_factor=4,
         small_abs_safety_factor=4,
         safety_factor_scale="log",