diff --git a/ethers.nimble b/ethers.nimble
index fa4fb99..e535b8e 100644
--- a/ethers.nimble
+++ b/ethers.nimble
@@ -1,10 +1,10 @@
-version = "0.2.2"
+version = "0.2.3"
 author = "Nim Ethers Authors"
 description = "library for interacting with Ethereum"
 license = "MIT"
 
 requires "chronos >= 3.0.0 & < 4.0.0"
-requires "contractabi#distinct"
+requires "contractabi >= 0.4.6 & < 0.5.0"
 requires "questionable >= 0.10.2 & < 0.11.0"
 requires "upraises >= 0.1.0 & < 0.2.0"
 requires "json_rpc"