diff --git a/build.gradle.kts b/build.gradle.kts
index 1d38b9c..6e94900 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -28,9 +28,13 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains:annotations:26.0.1")
-    implementation("log4j:log4j:1.2.17")
-    implementation("com.r35157.nenjim:kicker-api:0.0.0")
+    implementation(platform("org.apache.logging.log4j:log4j-bom:2.25.2"))
+    implementation("org.apache.logging.log4j:log4j-api")
+    runtimeOnly("org.apache.logging.log4j:log4j-core")
+    compileOnly("org.jetbrains:annotations:26.0.2-1")
+
+    implementation("com.r35157.nenjim:hubd-api:0.1-dev")
+    implementation("com.r35157.nenjim:kicker-api:0.1-dev")
 }
 
 java {
diff --git a/src/main/java/com/r35157/nenjim/kicker/impl/ref/KickerImpl.java b/src/main/java/com/r35157/nenjim/kicker/impl/ref/KickerImpl.java
new file mode 100644
index 0000000..383adaf
--- /dev/null
+++ b/src/main/java/com/r35157/nenjim/kicker/impl/ref/KickerImpl.java
@@ -0,0 +1,21 @@
+package com.r35157.nenjim.kicker.impl.ref;
+
+import com.r35157.nenjim.kicker.Kicker;
+import com.r35157.nenjim.kicker.NenjimProcess;
+
+import java.util.HashMap;
+
+public class KickerImpl implements Kicker {
+    @Override
+    public void startProcess(String s) {
+    }
+
+    @Override
+    public HashMap<Integer, NenjimProcess> getRunningProcesses() {
+        return null;
+    }
+
+    @Override
+    public void noop() {
+    }
+}
diff --git a/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java b/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java
new file mode 100644
index 0000000..15d5c4f
--- /dev/null
+++ b/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java
@@ -0,0 +1,24 @@
+package com.r35157.nenjim.kicker.impl.ref;
+
+import com.r35157.nenjim.hubd.Context;
+import com.r35157.nenjim.hubd.NenjimHub;
+import com.r35157.nenjim.kicker.NenjimProcess;
+
+public class NenjimProcessImpl implements NenjimProcess {
+    @Override
+    public void run() throws Exception {
+    }
+
+    @Override
+    public void setContext(Context context) {
+    }
+
+    @Override
+    public void setHub(NenjimHub nenjimHub) {
+    }
+
+    @Override
+    public String getName() {
+        return "";
+    }
+}
diff --git a/src/main/java/com/r35157/nenjim/kicker/impl/ref/SomeImpl.java b/src/main/java/com/r35157/nenjim/kicker/impl/ref/SomeImpl.java
deleted file mode 100644
index 98e755d..0000000
--- a/src/main/java/com/r35157/nenjim/kicker/impl/ref/SomeImpl.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.r35157.nenjim.kicker.impl.ref;
-
-import com.r35157.nenjim.kicker.SomeInterface;
-
-public class SomeImpl implements SomeInterface {
-    public String concat(String x, String y) {
-        return x + y;
-    }
-
-    public void divideByZero() throws ArithmeticException {
-        int a = 0/0;
-    }
-}