diff --git a/pom.xml b/pom.xml
index 8329f9d..460d69b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 		<maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
 		<maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
 		<maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
-		<iroha-java.version>2c85fd3b0d</iroha-java.version>
+		<iroha-java.version>8ea800591</iroha-java.version>
 		<jackson.versaion>2.14.1</jackson.versaion>
 		<commons-codec.version>1.15</commons-codec.version>
 		<lombok.version>1.18.24</lombok.version>
@@ -47,7 +47,6 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<!--groupId>jp.co.soramitsu.iroha2-java</groupId-->
 			<groupId>com.github.hyperledger.iroha-java</groupId>
 			<artifactId>admin-client</artifactId>
 			<version>${iroha-java.version}</version>
diff --git a/src/test/resources/iroha2_config/genesis.json b/src/test/resources/iroha2_config/genesis.json
index 9ab30ca..2ca09bd 100644
--- a/src/test/resources/iroha2_config/genesis.json
+++ b/src/test/resources/iroha2_config/genesis.json
@@ -4,17 +4,17 @@
   "parameters": [
     {
       "Sumeragi": {
-        "BlockTimeMs": 500
+        "BlockTimeMs": 100
       }
     },
     {
       "Sumeragi": {
-        "CommitTimeMs": 1000
+        "CommitTimeMs": 150
       }
     },
     {
       "Block": {
-        "MaxTransactions": 600
+        "MaxTransactions": 80
       }
     },
     {