diff --git a/asset-transfer-basic/chaincode-java/build.gradle b/asset-transfer-basic/chaincode-java/build.gradle
index 1b5a2070..41183acd 100644
--- a/asset-transfer-basic/chaincode-java/build.gradle
+++ b/asset-transfer-basic/chaincode-java/build.gradle
@@ -14,7 +14,8 @@ version '1.0-SNAPSHOT'
 
 dependencies {
     
-    compileOnly 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.json:json:+'
     implementation 'com.owlike:genson:1.5'
     testImplementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
diff --git a/asset-transfer-events/chaincode-java/build.gradle b/asset-transfer-events/chaincode-java/build.gradle
index 17599503..f59f27c7 100644
--- a/asset-transfer-events/chaincode-java/build.gradle
+++ b/asset-transfer-events/chaincode-java/build.gradle
@@ -13,7 +13,8 @@ group 'org.hyperledger.fabric.samples'
 version '1.0-SNAPSHOT'
 
 dependencies {
-    compileOnly 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.json:json:+'
     testImplementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
 }
 
diff --git a/asset-transfer-private-data/chaincode-java/build.gradle b/asset-transfer-private-data/chaincode-java/build.gradle
index 1aac92b5..6054373e 100644
--- a/asset-transfer-private-data/chaincode-java/build.gradle
+++ b/asset-transfer-private-data/chaincode-java/build.gradle
@@ -14,7 +14,8 @@ version '1.0-SNAPSHOT'
 
 dependencies {
     
-    compileOnly 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.json:json:+'
 
     testImplementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
diff --git a/asset-transfer-sbe/chaincode-java/build.gradle b/asset-transfer-sbe/chaincode-java/build.gradle
index 1b5a2070..e220c114 100644
--- a/asset-transfer-sbe/chaincode-java/build.gradle
+++ b/asset-transfer-sbe/chaincode-java/build.gradle
@@ -14,8 +14,12 @@ version '1.0-SNAPSHOT'
 
 dependencies {
     
-    compileOnly 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.json:json:+'
+    implementation 'com.google.protobuf:protobuf-java:3.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-protos:2.+'
     implementation 'com.owlike:genson:1.5'
+
     testImplementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
     testImplementation 'org.assertj:assertj-core:3.11.1'