diff --git a/optimus/engines/dask/engine.py b/optimus/engines/dask/engine.py
index 4ca3065d9..ca5d4aeac 100644
--- a/optimus/engines/dask/engine.py
+++ b/optimus/engines/dask/engine.py
@@ -16,18 +16,15 @@ class DaskEngine(BaseEngine):
 
     # Using procces or threads https://stackoverflow.com/questions/51099685/best-practices-in-setting-number-of-dask-workers
     def __init__(self, session=None, address=None, n_workers=None, threads_per_worker=None, processes=False,
-                 memory_limit='4GB', verbose=False, coiled_token=None, *args, **kwargs):
+                 memory_limit=None, verbose=False, coiled_token=None, *args, **kwargs):
 
-        if n_workers is None:
+        if n_workers is None and not coiled_token:
             import psutil
             threads_per_worker = psutil.cpu_count() * 4
 
         self.verbose(verbose)
 
-        use_remote = kwargs.get("use_remote", coiled_token is not None)
-        
-        if kwargs.get("use_remote", None):
-            del kwargs["use_remote"]
+        use_remote = kwargs.pop("use_remote", False)
 
         if coiled_token:
             import coiled
@@ -39,14 +36,15 @@ def __init__(self, session=None, address=None, n_workers=None, threads_per_worke
 
             idle_timeout = kwargs.get("idle_timeout", None)
 
+            memory_limit = memory_limit or '16 GiB'
+
             cluster = coiled.Cluster(
                 name=kwargs.get("name"),
                 worker_options={
-                    **({"nthreads": threads_per_worker} if threads_per_worker else {}),
-                    **({"memory_limit": memory_limit} if memory_limit else {})
+                    **({"nthreads": threads_per_worker} if threads_per_worker else {})
                 },
-                n_workers=n_workers,
-                worker_memory='15GiB',
+                n_workers=n_workers if n_workers else 4,
+                worker_memory=memory_limit,
                 scheduler_options={
                     **({"idle_timeout": idle_timeout} if idle_timeout else {})
                 },
@@ -67,6 +65,7 @@ def __init__(self, session=None, address=None, n_workers=None, threads_per_worke
             try:
                 self.client = get_client()
             except ValueError:
+                memory_limit = memory_limit or '4GB'
                 self.client = Client(address=address, n_workers=n_workers, threads_per_worker=threads_per_worker,
                                      processes=processes, memory_limit=memory_limit, *args, **kwargs)
 
diff --git a/optimus/engines/dask_cudf/engine.py b/optimus/engines/dask_cudf/engine.py
index b9697ed38..2bb7b7c38 100644
--- a/optimus/engines/dask_cudf/engine.py
+++ b/optimus/engines/dask_cudf/engine.py
@@ -12,7 +12,7 @@
 
 class DaskCUDFEngine(BaseEngine):
     def __init__(self, session=None, address=None, n_workers=1, threads_per_worker=8, processes=False,
-                 memory_limit='4GB', verbose=False, coiled_token=None, *args, **kwargs):
+                 memory_limit=None, verbose=False, coiled_token=None, *args, **kwargs):
 
         """
 
@@ -42,16 +42,17 @@ def __init__(self, session=None, address=None, n_workers=1, threads_per_worker=8
 
             idle_timeout = kwargs.get("idle_timeout", None)
 
+            memory_limit = memory_limit or '16 GiB'
+
             cluster = coiled.Cluster(
                 name=kwargs.get("name"),
                 worker_options={
-                    **({"nthreads": threads_per_worker} if threads_per_worker else {}),
-                    **({"memory_limit": memory_limit} if memory_limit else {})
+                    **({"nthreads": threads_per_worker} if threads_per_worker else {})
                 },
                 worker_gpu=1,
                 worker_class='dask_cuda.CUDAWorker',
-                n_workers=n_workers,
-                worker_memory='15GiB',
+                n_workers=n_workers if n_workers else 4,
+                worker_memory=memory_limit,
                 backend_options={
                     "region": kwargs.get("backend_region", "us-east-1")
                 },
@@ -91,7 +92,8 @@ def __init__(self, session=None, address=None, n_workers=1, threads_per_worker=8
                                            device_memory_limit=memoryTotal * 0.8
                                            # Spill to RAM when 80% memory is full
                                            )
-                self.client = Client(cluster, *args, **kwargs)
+                memory_limit = memory_limit or '4GB'
+                self.client = Client(cluster, memory_limit=memory_limit, *args, **kwargs)
 
         if use_remote:
             self.remote = RemoteOptimusInterface(self.client, Engine.DASK_CUDF.value)
diff --git a/requirements/dask-requirements.txt b/requirements/dask-requirements.txt
index 475a684ac..d6997200b 100644
--- a/requirements/dask-requirements.txt
+++ b/requirements/dask-requirements.txt
@@ -2,4 +2,4 @@ dask[complete]==2021.9.0
 distributed==2021.9.0
 dask-ml>=1.9.0
 pyarrow==1.0.1
-coiled>=0.0.30
\ No newline at end of file
+coiled>=0.0.52
\ No newline at end of file