diff --git a/build.gradle b/build.gradle
index d431eaf..d05b906 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,13 +17,26 @@ buildscript {
 
 apply plugin: 'forge'
 
-version = "1.7.10-1.0.0-beta5"
+ext.configFile = file "build.properties"
+configFile.withReader {
+    // Load config. It shall from now be referenced as simply config or project.config
+    def prop =  new Properties()
+    prop.load(it)
+    project.ext.config = new ConfigSlurper().parse prop
+}
+
+version = config.minecraft_version + "-" + config.mod_version
 group= "locusway.overloadedarmorbar"
 archivesBaseName = "overloadedarmorbar"
 
 minecraft {
-    version = "1.7.10-10.13.4.1614-1.7.10"
-    runDir = "eclipse"
+    version = config.minecraft_version + "-" + config.forge_version
+    runDir = "run"
+
+    replace "\${version}", project.version
+    replace "\${mcversion}", version
+    replace "(gradle_replace_mcversion,)", "[" + version + "]"
+    replace "(gradle_replace_forgeversion,)", "[" + config.forge_version + ",)"
 }
 
 dependencies {
diff --git a/build.properties b/build.properties
new file mode 100644
index 0000000..8a807ec
--- /dev/null
+++ b/build.properties
@@ -0,0 +1,3 @@
+mod_version=1.0.0
+minecraft_version=1.7.10
+forge_version=10.13.4.1614-1.7.10
\ No newline at end of file
diff --git a/src/main/java/locusway/overloadedarmorbar/OverloadedArmorBar.java b/src/main/java/locusway/overloadedarmorbar/OverloadedArmorBar.java
index e0e2a41..00cf69b 100644
--- a/src/main/java/locusway/overloadedarmorbar/OverloadedArmorBar.java
+++ b/src/main/java/locusway/overloadedarmorbar/OverloadedArmorBar.java
@@ -6,12 +6,12 @@
 import cpw.mods.fml.common.event.FMLPreInitializationEvent;
 import locusway.overloadedarmorbar.proxy.CommonProxy;
 
-@Mod(modid = OverloadedArmorBar.MODID, name = OverloadedArmorBar.MODNAME, version = OverloadedArmorBar.MODVERSION, useMetadata = true, guiFactory = OverloadedArmorBar.GUI_FACTORY_CLASS)
+@Mod(modid = OverloadedArmorBar.MODID, name = OverloadedArmorBar.MODNAME, version = OverloadedArmorBar.VERSION, useMetadata = true, guiFactory = OverloadedArmorBar.GUI_FACTORY_CLASS)
 public class OverloadedArmorBar {
 
   public static final String MODID = "overloadedarmorbar";
   public static final String MODNAME = "Overloaded Armor Bar";
-  public static final String MODVERSION = "1.7.10-1.0.0-beta5";
+  public static final String VERSION = "${version}";
   public static final String GUI_FACTORY_CLASS = "locusway.overloadedarmorbar.client.gui.GuiFactory";
 
   public static org.apache.logging.log4j.Logger logger;
diff --git a/src/main/java/locusway/overloadedarmorbar/overlay/ArmorIcon.java b/src/main/java/locusway/overloadedarmorbar/overlay/ArmorIcon.java
index 0e78fc8..450c9fc 100644
--- a/src/main/java/locusway/overloadedarmorbar/overlay/ArmorIcon.java
+++ b/src/main/java/locusway/overloadedarmorbar/overlay/ArmorIcon.java
@@ -13,12 +13,12 @@ public class ArmorIcon
         Type = HALF:
             The color of the left-hand side of the icon
      */
-    public ArmorIconColor primaryArmorIconColor;
+    public final ArmorIconColor primaryArmorIconColor;
     /*
         Type = HALF:
             The color of the right-hand side of the icon
      */
-    public ArmorIconColor secondaryArmorIconColor;
+    public final ArmorIconColor secondaryArmorIconColor;
 
 
     public ArmorIcon()
diff --git a/src/main/java/locusway/overloadedarmorbar/overlay/OverlayEventHandler.java b/src/main/java/locusway/overloadedarmorbar/overlay/OverlayEventHandler.java
index b592266..e285a83 100644
--- a/src/main/java/locusway/overloadedarmorbar/overlay/OverlayEventHandler.java
+++ b/src/main/java/locusway/overloadedarmorbar/overlay/OverlayEventHandler.java
@@ -31,7 +31,7 @@ private OverlayEventHandler() {}
 	private final static int ARMOR_ICON_SIZE = 9;
 	private final static int ARMOR_SECOND_HALF_ICON_SIZE = 4;
 
-	private Minecraft mc = Minecraft.getMinecraft();
+	private final Minecraft mc = Minecraft.getMinecraft();
 	private ArmorIcon[] armorIcons;
 
 	@SubscribeEvent(receiveCanceled = true)