diff --git a/gridgeneration/Cargo.toml b/gridgeneration/Cargo.toml
index 7937ab3..f5a095c 100644
--- a/gridgeneration/Cargo.toml
+++ b/gridgeneration/Cargo.toml
@@ -11,4 +11,4 @@ sbp = { path = "../sbp" }
 json5 = { version = "0.2.8", optional = true }
 
 [features]
-serde = ["sbp/serde1", "json5"]
+serde = ["sbp/serde1", "dep:json5"]
diff --git a/maxwell/Cargo.toml b/maxwell/Cargo.toml
index 533cb55..6bc0190 100644
--- a/maxwell/Cargo.toml
+++ b/maxwell/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Magnus Ulimoen <magnus@ulimoen.dev>"]
 edition = "2018"
 
 [features]
-sparse = ["sbp/sparse", "sprs"]
+sparse = ["sbp/sparse", "dep:sprs"]
 
 [dependencies]
 ndarray = "0.15.0"
diff --git a/sbp/Cargo.toml b/sbp/Cargo.toml
index cac83c7..2429918 100644
--- a/sbp/Cargo.toml
+++ b/sbp/Cargo.toml
@@ -17,8 +17,8 @@ core_simd = { git = "https://github.com/rust-lang/portable-simd" }
 [features]
 # Use f32 as precision, default is f64
 f32 = ["float/f32"]
-sparse = ["sprs"]
-serde1 = ["serde", "ndarray/serde"]
+sparse = ["dep:sprs"]
+serde1 = ["dep:serde", "ndarray/serde"]
 
 [dev-dependencies]
 iai = "0.1.1"