diff --git a/Cargo.toml b/Cargo.toml
index 96f031d..1020dea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ strict = []
 
 [package]
 name = "c-api-tools"
-version = "0.1.0"
+version = "0.1.0-dev"
 edition = "2021"
 authors = [
     "Timo Betcke <timo.betcke@gmail.com>",
@@ -25,7 +25,7 @@ crate-type = ["lib", "cdylib"]
 
 [dependencies]
 num = "0.4"
-c-api-tools-macros = { version = "0.1.0" }
+c-api-tools-macros = { path = "c-api-tools-macros" }
 
 [build-dependencies]
 cbindgen = "0.27.0"
diff --git a/RELEASE.md b/RELEASE.md
index b30ba54..7ed7da1 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -49,6 +49,6 @@ To make a new release of bempp, follow the following steps:
     unsuitable for use.
 
 8) Open a pull request to `main` to update the version numbers in `Cargo.toml` and `c-api-tools-macros/Cargo.toml`
-   to `[x].[y].[z]-dev`
+   to `[x].[y].[z]-dev`, and to change the `c-api-tools-macros` dependency in `Cargo.toml` to `{ path = "c-api-tools-macros" }`
 
 9) Add the release to the next issue of [Scientific Computing in Rust Monthly](https://github.com/rust-scicomp/scientific-computing-in-rust-monthly)
diff --git a/c-api-tools-macros/Cargo.toml b/c-api-tools-macros/Cargo.toml
index 14aab14..c3bdc28 100644
--- a/c-api-tools-macros/Cargo.toml
+++ b/c-api-tools-macros/Cargo.toml
@@ -3,7 +3,7 @@ strict = []
 
 [package]
 name = "c-api-tools-macros"
-version = "0.1.0"
+version = "0.1.0-dev"
 edition = "2021"
 authors = [
     "Matthew Scroggs <rust@mscroggs.co.uk>",