diff --git a/Cargo.toml b/Cargo.toml
index 503ad75..e130856 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "comemo"
-version = "0.2.2"
+version = "0.3.0"
 authors = ["Laurenz <laurmaedje@gmail.com>"]
 edition = "2021"
 description = "Incremental computation through constrained memoization."
@@ -11,5 +11,5 @@ categories = ["caching"]
 keywords = ["incremental", "memoization", "tracked", "constraints"]
 
 [dependencies]
-comemo-macros = { version = "0.2.2", path = "macros" }
+comemo-macros = { version = "0.3", path = "macros" }
 siphasher = "0.3"
diff --git a/README.md b/README.md
index 9b50948..91b23ae 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Incremental computation through constrained memoization.
 
 ```toml
 [dependencies]
-comemo = "0.2"
+comemo = "0.3"
 ```
 
 A _memoized_ function caches its return values so that it only needs to be
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 3431e6d..ddfb5cb 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "comemo-macros"
-version = "0.2.2"
+version = "0.3.0"
 authors = ["Laurenz <laurmaedje@gmail.com>"]
 edition = "2021"
 description = "Procedural macros for comemo."