diff --git a/Cargo.toml b/Cargo.toml
index 4f1afb2..0eab610 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "leptos-use"
-version = "0.3.3"
+version = "0.4.0"
 edition = "2021"
 authors = ["Marc-Stefan Cassola"]
 categories = ["gui", "web-programming"]
@@ -13,7 +13,7 @@ repository = "https://github.com/Synphonyte/leptos-use"
 homepage = "https://leptos-use.rs"
 
 [dependencies]
-leptos = { version = "0.3", default-features = false }
+leptos = "0.4"
 wasm-bindgen = "0.2"
 js-sys = "0.3"
 default-struct-builder = "0.3"
@@ -62,7 +62,6 @@ features = [
 docs = []
 math = ["num"]
 storage = ["serde", "serde_json", "web-sys/StorageEvent"]
-stable = ["leptos/stable"]
 
 [package.metadata.docs.rs]
 all-features = true
@@ -70,4 +69,4 @@ rustdoc-args = ["--cfg=web_sys_unstable_apis"]
 rustc-args = ["--cfg=web_sys_unstable_apis"]
 
 [dev-dependencies]
-leptos = "0.3"
\ No newline at end of file
+leptos = "0.4"
diff --git a/README.md b/README.md
index 92fc5bd..c1d8883 100644
--- a/README.md
+++ b/README.md
@@ -82,4 +82,11 @@ python3 post_build.py use_mequery
 
 ### New Function Template
 
-To scaffold a new function quickly you can run `template/createfn.sh`. It requires that [`ffizer`](https://ffizer.github.io/) is installed.
\ No newline at end of file
+To scaffold a new function quickly you can run `template/createfn.sh`. It requires that [`ffizer`](https://ffizer.github.io/) is installed.
+
+## Leptos compatibility
+
+| Crate version | Compatible Leptos version |
+|---------------|---------------------------|
+| <= 0.3        | 0.3                       |
+| \>= 0.4       | 0.4                       |
diff --git a/examples/on_click_outside/Cargo.toml b/examples/on_click_outside/Cargo.toml
index 3b58787..50f8be9 100644
--- a/examples/on_click_outside/Cargo.toml
+++ b/examples/on_click_outside/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_abs/Cargo.toml b/examples/use_abs/Cargo.toml
index 336eb08..99e7868 100644
--- a/examples/use_abs/Cargo.toml
+++ b/examples/use_abs/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_active_element/Cargo.toml b/examples/use_active_element/Cargo.toml
index be7b070..1df29eb 100644
--- a/examples/use_active_element/Cargo.toml
+++ b/examples/use_active_element/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_breakpoints/Cargo.toml b/examples/use_breakpoints/Cargo.toml
index f2c75ec..7534ffe 100644
--- a/examples/use_breakpoints/Cargo.toml
+++ b/examples/use_breakpoints/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_ceil/Cargo.toml b/examples/use_ceil/Cargo.toml
index 8752d0f..e3e00fa 100644
--- a/examples/use_ceil/Cargo.toml
+++ b/examples/use_ceil/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_color_mode/Cargo.toml b/examples/use_color_mode/Cargo.toml
index 91d22ea..20d3188 100644
--- a/examples/use_color_mode/Cargo.toml
+++ b/examples/use_color_mode/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_css_var/Cargo.toml b/examples/use_css_var/Cargo.toml
index c768e8d..7b35061 100644
--- a/examples/use_css_var/Cargo.toml
+++ b/examples/use_css_var/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_cycle_list/Cargo.toml b/examples/use_cycle_list/Cargo.toml
index c878e46..68975d4 100644
--- a/examples/use_cycle_list/Cargo.toml
+++ b/examples/use_cycle_list/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_debounce_fn/Cargo.toml b/examples/use_debounce_fn/Cargo.toml
index 21f7aa5..c8a1076 100644
--- a/examples/use_debounce_fn/Cargo.toml
+++ b/examples/use_debounce_fn/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_element_hover/Cargo.toml b/examples/use_element_hover/Cargo.toml
index e4b60cb..4e04f1c 100644
--- a/examples/use_element_hover/Cargo.toml
+++ b/examples/use_element_hover/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_element_size/Cargo.toml b/examples/use_element_size/Cargo.toml
index e249885..54a8fc4 100644
--- a/examples/use_element_size/Cargo.toml
+++ b/examples/use_element_size/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_element_visibility/Cargo.toml b/examples/use_element_visibility/Cargo.toml
index 0d31009..967314a 100644
--- a/examples/use_element_visibility/Cargo.toml
+++ b/examples/use_element_visibility/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_event_listener/Cargo.toml b/examples/use_event_listener/Cargo.toml
index cb4011a..f14de6b 100644
--- a/examples/use_event_listener/Cargo.toml
+++ b/examples/use_event_listener/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_favicon/Cargo.toml b/examples/use_favicon/Cargo.toml
index 200f958..e92c413 100644
--- a/examples/use_favicon/Cargo.toml
+++ b/examples/use_favicon/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_floor/Cargo.toml b/examples/use_floor/Cargo.toml
index 88cebcc..1d870c9 100644
--- a/examples/use_floor/Cargo.toml
+++ b/examples/use_floor/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_intersection_observer/Cargo.toml b/examples/use_intersection_observer/Cargo.toml
index 21a8273..47300a1 100644
--- a/examples/use_intersection_observer/Cargo.toml
+++ b/examples/use_intersection_observer/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_interval/Cargo.toml b/examples/use_interval/Cargo.toml
index 216ae55..e9a9610 100644
--- a/examples/use_interval/Cargo.toml
+++ b/examples/use_interval/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_interval_fn/Cargo.toml b/examples/use_interval_fn/Cargo.toml
index c653304..18604f3 100644
--- a/examples/use_interval_fn/Cargo.toml
+++ b/examples/use_interval_fn/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_media_query/Cargo.toml b/examples/use_media_query/Cargo.toml
index 9b64d51..995a31f 100644
--- a/examples/use_media_query/Cargo.toml
+++ b/examples/use_media_query/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_mouse/Cargo.toml b/examples/use_mouse/Cargo.toml
index 460aa22..10761dd 100644
--- a/examples/use_mouse/Cargo.toml
+++ b/examples/use_mouse/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_mutation_observer/Cargo.toml b/examples/use_mutation_observer/Cargo.toml
index 495345d..ce1e372 100644
--- a/examples/use_mutation_observer/Cargo.toml
+++ b/examples/use_mutation_observer/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_resize_observer/Cargo.toml b/examples/use_resize_observer/Cargo.toml
index 0078693..720ebb5 100644
--- a/examples/use_resize_observer/Cargo.toml
+++ b/examples/use_resize_observer/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_round/Cargo.toml b/examples/use_round/Cargo.toml
index bdabb3d..bc58620 100644
--- a/examples/use_round/Cargo.toml
+++ b/examples/use_round/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_scroll/Cargo.toml b/examples/use_scroll/Cargo.toml
index 07cf122..5372f34 100644
--- a/examples/use_scroll/Cargo.toml
+++ b/examples/use_scroll/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_storage/Cargo.toml b/examples/use_storage/Cargo.toml
index 6feffb9..8ad350e 100644
--- a/examples/use_storage/Cargo.toml
+++ b/examples/use_storage/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/use_throttle_fn/Cargo.toml b/examples/use_throttle_fn/Cargo.toml
index 2c4e1f8..6aba4d5 100644
--- a/examples/use_throttle_fn/Cargo.toml
+++ b/examples/use_throttle_fn/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/watch_debounced/Cargo.toml b/examples/watch_debounced/Cargo.toml
index d3df1b7..cd351a0 100644
--- a/examples/watch_debounced/Cargo.toml
+++ b/examples/watch_debounced/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/watch_pausable/Cargo.toml b/examples/watch_pausable/Cargo.toml
index 5fb0fc1..59aa651 100644
--- a/examples/watch_pausable/Cargo.toml
+++ b/examples/watch_pausable/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/examples/watch_throttled/Cargo.toml b/examples/watch_throttled/Cargo.toml
index dbc4789..327ff24 100644
--- a/examples/watch_throttled/Cargo.toml
+++ b/examples/watch_throttled/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"
diff --git a/template/examples/{{ function_name }}/Cargo.ffizer.hbs.toml b/template/examples/{{ function_name }}/Cargo.ffizer.hbs.toml
index 66910ea..29b2ea2 100644
--- a/template/examples/{{ function_name }}/Cargo.ffizer.hbs.toml	
+++ b/template/examples/{{ function_name }}/Cargo.ffizer.hbs.toml	
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = "0.3"
+leptos = "0.4"
 console_error_panic_hook = "0.1"
 console_log = "1"
 log = "0.4"