diff --git a/android/dependencies.gradle b/android/dependencies.gradle
index 12912fc8e6..401f272ad7 100644
--- a/android/dependencies.gradle
+++ b/android/dependencies.gradle
@@ -7,6 +7,7 @@ ext {
           jsr305         : "com.google.code.findbugs:jsr305:3.0.2",
           commons_logging: "commons-logging:commons-logging:1.2",
           antlr          : "org.antlr:antlr4:4.9.3", // use ANTLR version 4
+          json           : "com.googlecode.json-simple:json-simple:1.1.1",
   ]
 
   ts_plugin_libs = [
diff --git a/java_console/autoupdate/build.gradle b/java_console/autoupdate/build.gradle
index 0745f7ffed..2b874349ad 100644
--- a/java_console/autoupdate/build.gradle
+++ b/java_console/autoupdate/build.gradle
@@ -14,9 +14,9 @@ dependencies {
     api project(':shared_io')
 
     api group: 'net.jcip', name: 'jcip-annotations', version: '1.0'
-    api group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1.1'
+    api libs.json
     // not 'api' since Android would use own implementation
-    implementation group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.12'
+    implementation ts_plugin_libs.httpclient
 
     // junit 4.13 does not mix well with httpclient :(
     testImplementation group: 'junit', name: 'junit', version: '4.8.2'
diff --git a/java_console/io/build.gradle b/java_console/io/build.gradle
index 07110502d8..37c685345c 100644
--- a/java_console/io/build.gradle
+++ b/java_console/io/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'java'
+    id 'java-library'
 }
 
 apply from: '../../android/dependencies.gradle'
@@ -24,8 +24,8 @@ dependencies {
     implementation group: 'com.fazecast', name: 'jSerialComm', version: '2.9.2'
     implementation group: 'tel.schich', name: 'javacan-core', version: '3.2.0'
     implementation group: 'net.jcip', name: 'jcip-annotations', version: '1.0'
-    implementation group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1.1'
-    implementation group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.12'
+    implementation libs.json
+    implementation ts_plugin_libs.httpclient
 
     // junit 4.13 does not mix well with httpclient :(
     testImplementation group: 'junit', name: 'junit', version: '4.8.2'