diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d7e177a5..6d264b2ca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ option(MLX_BUILD_METAL "Build metal backend" ON)
 option(BUILD_SHARED_LIBS "Build mlx as a shared library" OFF)
 
 if(NOT MLX_VERSION)
-  set(MLX_VERSION 0.7.0)
+  set(MLX_VERSION 0.8.0)
 endif()
 
 # --------------------- Processor tests -------------------------
diff --git a/python/src/ops.cpp b/python/src/ops.cpp
index 977e5897f..e40ec5ca3 100644
--- a/python/src/ops.cpp
+++ b/python/src/ops.cpp
@@ -1261,7 +1261,7 @@ void init_ops(nb::module_& m) {
       "start"_a,
       "stop"_a,
       "num"_a = 50,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       "stream"_a = nb::none(),
       nb::sig(
           "def linspace(start, stop, num: Optional[int] = 50, dtype: Optional[Dtype] = float32, stream: Union[None, Stream, Device] = None) -> array"),
@@ -1396,7 +1396,7 @@ void init_ops(nb::module_& m) {
         }
       },
       "shape"_a,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       nb::kw_only(),
       "stream"_a = nb::none(),
       nb::sig(
@@ -1442,7 +1442,7 @@ void init_ops(nb::module_& m) {
         }
       },
       "shape"_a,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       nb::kw_only(),
       "stream"_a = nb::none(),
       nb::sig(
@@ -1487,7 +1487,7 @@ void init_ops(nb::module_& m) {
       "n"_a,
       "m"_a = nb::none(),
       "k"_a = 0,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       nb::kw_only(),
       "stream"_a = nb::none(),
       nb::sig(
@@ -1511,7 +1511,7 @@ void init_ops(nb::module_& m) {
         return identity(n, dtype.value_or(float32), s);
       },
       "n"_a,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       nb::kw_only(),
       "stream"_a = nb::none(),
       nb::sig(
@@ -1539,7 +1539,7 @@ void init_ops(nb::module_& m) {
       "n"_a,
       "m"_a = nb::none(),
       "k"_a = 0,
-      "dtype"_a = float32,
+      "dtype"_a.none() = float32,
       nb::kw_only(),
       "stream"_a = nb::none(),
       nb::sig(
diff --git a/setup.py b/setup.py
index 5623f1e65..8bbb2a2f7 100644
--- a/setup.py
+++ b/setup.py
@@ -154,7 +154,7 @@ if __name__ == "__main__":
 
     setup(
         name="mlx",
-        version=get_version("0.7.0"),
+        version=get_version("0.8.0"),
         author="MLX Contributors",
         author_email="mlx@group.apple.com",
         description="A framework for machine learning on Apple silicon.",