diff --git a/Readme.md b/Readme.md
index 2772572..15f6b94 100644
--- a/Readme.md
+++ b/Readme.md
@@ -14,7 +14,7 @@ Use the [Nimble][2] package manager to add `ethers` to an existing
 project. Add the following to its .nimble file:
 
 ```nim
-requires "ethers >= 0.2.5 & < 0.3.0"
+requires "ethers >= 0.3.0 & < 0.4.0"
 ```
 
 Usage
diff --git a/ethers.nimble b/ethers.nimble
index d6e1b4b..3349f1f 100644
--- a/ethers.nimble
+++ b/ethers.nimble
@@ -1,4 +1,4 @@
-version = "0.2.5"
+version = "0.3.0"
 author = "Nim Ethers Authors"
 description = "library for interacting with Ethereum"
 license = "MIT"