diff --git a/Cargo.lock b/Cargo.lock
index 867b0fa4..cbb27d7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2926,7 +2926,7 @@ checksum = "3e5d7cd7ab3e47dda6e56542f4bbf3824c15234958c6e1bd6aaa347e93499fdc"
 
 [[package]]
 name = "tune"
-version = "0.30.0"
+version = "0.31.0"
 dependencies = [
  "assert_approx_eq",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 349a35e5..667f38b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tune"
-version = "0.30.0"
+version = "0.31.0"
 authors = ["Woyten <woyten.tielesch@online.de>"]
 description = "Explore musical tunings and create synthesizer tuning files for microtonal scales."
 repository = "https://github.com/Woyten/tune/"
diff --git a/fluid-xenth/Cargo.toml b/fluid-xenth/Cargo.toml
index 924baed6..94dd0450 100644
--- a/fluid-xenth/Cargo.toml
+++ b/fluid-xenth/Cargo.toml
@@ -17,7 +17,7 @@ stb = ["fluidlite/with-stb"]
 
 [dependencies]
 fluidlite = "0.2.0"
-tune = { version = "0.30.0", path = ".." }
+tune = { version = "0.31.0", path = ".." }
 
 [dev-dependencies]
 hound = "3.4.0"
diff --git a/magnetron/src/automation.rs b/magnetron/src/automation.rs
index 1c5d6429..d0410e34 100644
--- a/magnetron/src/automation.rs
+++ b/magnetron/src/automation.rs
@@ -34,7 +34,7 @@ pub trait AutomatedValue {
     fn use_context(&mut self, context: &AutomationContext<Self::Storage>) -> Self::Value;
 }
 
-impl<A: AutomatedValue<Value = f64>> AutomatedValue for PhantomData<A> {
+impl<A: AutomatedValue> AutomatedValue for PhantomData<A> {
     type Storage = A::Storage;
     type Value = ();
 
diff --git a/microwave/Cargo.toml b/microwave/Cargo.toml
index 3bc97b0d..401a5f67 100644
--- a/microwave/Cargo.toml
+++ b/microwave/Cargo.toml
@@ -29,7 +29,7 @@ rand = { version = "0.8.3", features = ["small_rng"] }
 ringbuf = "0.2.2"
 serde = "1.0.117"
 serde_yaml = "0.8.14"
-tune = { version = "0.30.0", path = ".." }
+tune = { version = "0.31.0", path = ".." }
 tune-cli = { version = "0.23.1", path = "../tune-cli" }
 
 [dev-dependencies]
diff --git a/tune-cli/Cargo.toml b/tune-cli/Cargo.toml
index eaf708cf..0b99c28f 100644
--- a/tune-cli/Cargo.toml
+++ b/tune-cli/Cargo.toml
@@ -15,4 +15,4 @@ clap = { version = "3.0.6", features = ["derive"] }
 midir = "0.8.0"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_yaml = "0.8.16"
-tune = { version = "0.30.0", path = ".." }
+tune = { version = "0.31.0", path = ".." }