diff --git a/build.gradle b/build.gradle
index 02cda0e7..3879dcf9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,6 @@ subprojects {
     apply plugin: 'groovy'
 
     dependencies {
-        compile "net.i2p:i2p:${i2pVersion}"
         compile 'org.codehaus.groovy:groovy-all:2.4.15'
     }
 
diff --git a/core/build.gradle b/core/build.gradle
index 433e7cb9..d46d35ef 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -2,6 +2,7 @@ apply plugin : 'application'
 mainClassName = 'com.muwire.core.Core'
 applicationDefaultJvmArgs = ['-Djava.util.logging.config.file=logging.properties']
 dependencies {
+    compile "net.i2p:i2p:${i2pVersion}"
     compile "net.i2p:router:${i2pVersion}"
     compile "net.i2p.client:mstreaming:${i2pVersion}"
     compile "net.i2p.client:streaming:${i2pVersion}"
diff --git a/host-cache/build.gradle b/host-cache/build.gradle
index ba09c3a1..1d0bab99 100644
--- a/host-cache/build.gradle
+++ b/host-cache/build.gradle
@@ -3,6 +3,7 @@ mainClassName = 'com.muwire.hostcache.HostCache'
 applicationDefaultJvmArgs = ['-Djava.util.logging.config.file=logging.properties']
 
 dependencies {
+    compile "net.i2p:i2p:${i2pVersion}"
     testCompile 'org.junit.jupiter:junit-jupiter-api:5.4.2'
     testCompile 'junit:junit:4.12'
 }
diff --git a/pinger/build.gradle b/pinger/build.gradle
index dd7bb3c6..2b9f53c6 100644
--- a/pinger/build.gradle
+++ b/pinger/build.gradle
@@ -1,2 +1,5 @@
 apply plugin: 'application'
 mainClassName = 'com.muwire.pinger.Pinger'
+dependencies {
+   compile "net.i2p:i2p:${i2pVersion}"
+}
diff --git a/update-server/build.gradle b/update-server/build.gradle
index 40a089f9..62f3412f 100644
--- a/update-server/build.gradle
+++ b/update-server/build.gradle
@@ -1,3 +1,6 @@
 apply plugin : 'application'
 mainClassName = 'com.muwire.update.UpdateServer'
 applicationDefaultJvmArgs = ['-Djava.util.logging.config.file=logging.properties']
+dependencies {
+    compile "net.i2p:i2p:${i2pVersion}"
+}
diff --git a/webui/build.gradle b/webui/build.gradle
index 9990e6e2..580b4ab7 100644
--- a/webui/build.gradle
+++ b/webui/build.gradle
@@ -6,7 +6,9 @@ configurations {
 apply plugin : 'war'
 
 dependencies {
-    providedCompile project(':core')
+    providedCompile(project(':core')) {
+        transitive = false
+    }
     compile fileTree("../i2pjars") { include '*.jar' }
 }