diff --git a/injector/injector.gradle.kts b/injector/injector.gradle.kts
index cb1be4692a..1f3a1434ff 100644
--- a/injector/injector.gradle.kts
+++ b/injector/injector.gradle.kts
@@ -45,13 +45,17 @@ tasks.register<JavaExec>("inject") {
     classpath = project.sourceSets.main.get().runtimeClasspath
     mainClass.set("com.openosrs.injector.Injector")
 
+    inputs.dir("${project.extra["rootPath"]}/runelite-mixins/src/main/java")
+    inputs.dir("${project.extra["rootPath"]}/runelite-api/src/main/java")
+    inputs.dir("${project.extra["rootPath"]}/runescape-api/src/main/java")
+    inputs.dir("${project.extra["rootPath"]}/runescape-client/src/main/java")
+
     val out = "${project.extra["rootPath"]}/runelite-client/build/injected/injected-client.oprs"
     outputs.file(out)
+    outputs.file("${project.extra["rootPath"]}/runelite-client/build/injected/client.hash")
+
+    outputs.cacheIf { true }
 
     args("--outmode", "jar", "--vanilla", vanillaDep.singleFile, "--version", openosrsVersion, "--output", out)
-
-    outputs.upToDateWhen {
-        false
-    }
 }