diff --git a/buildSrc/src/main/kotlin/cc/tweaked/gradle/CCTweakedExtension.kt b/buildSrc/src/main/kotlin/cc/tweaked/gradle/CCTweakedExtension.kt
index 42b8723a0a..834a432f97 100644
--- a/buildSrc/src/main/kotlin/cc/tweaked/gradle/CCTweakedExtension.kt
+++ b/buildSrc/src/main/kotlin/cc/tweaked/gradle/CCTweakedExtension.kt
@@ -173,7 +173,7 @@ abstract class CCTweakedExtension(
     }
 
     fun <T> jacoco(task: NamedDomainObjectProvider<T>) where T : Task, T : JavaForkOptions {
-        val classDump = project.buildDir.resolve("jacocoClassDump/${task.name}")
+        val classDump = project.layout.buildDirectory.dir("jacocoClassDump/${task.name}")
         val reportTaskName = "jacoco${task.name.capitalized()}Report"
 
         val jacoco = project.extensions.getByType(JacocoPluginExtension::class.java)
@@ -185,7 +185,7 @@ abstract class CCTweakedExtension(
             jacoco.applyTo(this)
             extensions.configure(JacocoTaskExtension::class.java) {
                 includes = listOf("dan200.computercraft.*")
-                classDumpDir = classDump
+                classDumpDir = classDump.get().asFile
 
                 // Older versions of modlauncher don't include a protection domain (and thus no code
                 // source). Jacoco skips such classes by default, so we need to explicitly include them.
diff --git a/buildSrc/src/main/kotlin/cc/tweaked/gradle/MinecraftExec.kt b/buildSrc/src/main/kotlin/cc/tweaked/gradle/MinecraftExec.kt
index 0985cd0e7a..f923383c57 100644
--- a/buildSrc/src/main/kotlin/cc/tweaked/gradle/MinecraftExec.kt
+++ b/buildSrc/src/main/kotlin/cc/tweaked/gradle/MinecraftExec.kt
@@ -58,7 +58,7 @@ abstract class ClientJavaExec : JavaExec() {
         if (!clientDebug) systemProperty("cctest.client", "")
         if (renderdoc) environment("LD_PRELOAD", "/usr/lib/librenderdoc.so")
         systemProperty("cctest.gametest-report", testResults.get().asFile.absoluteFile)
-        workingDir(project.buildDir.resolve("gametest").resolve(name))
+        workingDir(project.layout.buildDirectory.dir("gametest/$name"))
     }
 
     init {
diff --git a/projects/core/build.gradle.kts b/projects/core/build.gradle.kts
index 01996a83e9..abf7ba7c07 100644
--- a/projects/core/build.gradle.kts
+++ b/projects/core/build.gradle.kts
@@ -2,6 +2,8 @@
 //
 // SPDX-License-Identifier: MPL-2.0
 
+import cc.tweaked.gradle.getAbsolutePath
+
 plugins {
     `java-library`
     `java-test-fixtures`
@@ -45,7 +47,7 @@ tasks.processResources {
 }
 
 tasks.test {
-    systemProperty("cct.test-files", buildDir.resolve("tmp/testFiles").absolutePath)
+    systemProperty("cct.test-files", layout.buildDirectory.dir("tmp/testFiles").getAbsolutePath())
 }
 
 tasks.testFixturesJar {
diff --git a/projects/fabric/build.gradle.kts b/projects/fabric/build.gradle.kts
index 9e81e6a991..ba43ff08d8 100644
--- a/projects/fabric/build.gradle.kts
+++ b/projects/fabric/build.gradle.kts
@@ -169,7 +169,7 @@ loom {
             configureForGameTest(this)
 
             property("fabric-api.gametest")
-            property("fabric-api.gametest.report-file", project.buildDir.resolve("test-results/runGametest.xml").absolutePath)
+            property("fabric-api.gametest.report-file", layout.buildDirectory.dir("test-results/runGametest.xml").getAbsolutePath())
             runDir("run/gametest")
         }
     }
diff --git a/projects/forge/build.gradle.kts b/projects/forge/build.gradle.kts
index ac6882a3e5..4a840b5612 100644
--- a/projects/forge/build.gradle.kts
+++ b/projects/forge/build.gradle.kts
@@ -185,7 +185,7 @@ val luaJavadoc by tasks.registering(Javadoc::class) {
     source(project(":core").sourceSets.main.get().java)
     source(project(":common").sourceSets.main.get().java)
 
-    setDestinationDir(buildDir.resolve("docs/luaJavadoc"))
+    destinationDir = layout.buildDirectory.dir("docs/luaJavadoc").get().asFile
     classpath = sourceSets.main.get().compileClasspath
 
     val options = options as StandardJavadocDocletOptions
@@ -237,7 +237,7 @@ tasks.assemble { dependsOn("jarJar") }
 // Check tasks
 
 tasks.test {
-    systemProperty("cct.test-files", buildDir.resolve("tmp/testFiles").absolutePath)
+    systemProperty("cct.test-files", layout.buildDirectory.dir("tmp/testFiles").getAbsolutePath())
 }
 
 val lintLua by tasks.registering(IlluaminateExec::class) {
@@ -266,7 +266,7 @@ val runGametest by tasks.registering(JavaExec::class) {
 
     setRunConfig(minecraft.runs["gameTestServer"])
 
-    systemProperty("cctest.gametest-report", project.buildDir.resolve("test-results/$name.xml").absolutePath)
+    systemProperty("cctest.gametest-report", layout.buildDirectory.dir("test-results/$name.xml").getAbsolutePath())
 }
 cct.jacoco(runGametest)
 tasks.check { dependsOn(runGametest) }