diff --git a/genesis/e2e-tests-single-node.toml b/genesis/e2e-tests-single-node.toml
index 7def249d15..beab8edc2f 100644
--- a/genesis/e2e-tests-single-node.toml
+++ b/genesis/e2e-tests-single-node.toml
@@ -222,7 +222,7 @@ validator_stake_threshold = "1"
 # minimum amount of nam token to lock
 min_proposal_fund = 500
 # proposal code size in bytes
-max_proposal_code_size = 500000
+max_proposal_code_size = 1000000
 # min proposal period length in epochs
 min_proposal_period = 3
 # max proposal period length in epochs