diff --git a/libs/gretty/src/main/groovy/org/akhikhl/gretty/GrettyPlugin.groovy b/libs/gretty/src/main/groovy/org/akhikhl/gretty/GrettyPlugin.groovy
index f97246f2..676fbb6b 100644
--- a/libs/gretty/src/main/groovy/org/akhikhl/gretty/GrettyPlugin.groovy
+++ b/libs/gretty/src/main/groovy/org/akhikhl/gretty/GrettyPlugin.groovy
@@ -225,21 +225,24 @@ class GrettyPlugin implements Plugin<Project> {
         group = 'gretty'
         description = 'Copies webAppDir of this web-app and all overlays (if any) to ${buildDir}/inplaceWebapp'
 
-        def getInplaceMode = {
-          project.tasks.findByName('appRun').effectiveInplaceMode
-        }
-
+        // Compute effective inplace mode from gretty extension at configuration time.
+        // addTasks() is invoked from afterProjectEvaluate, so the extension is fully configured here.
+        // Using an eagerly-computed String avoids capturing the project instance inside task closures,
+        // which is required for Gradle configuration cache compatibility ( issue #332)
+        String inplaceMode = project.gretty.webAppConfig.inplaceMode ?: 'soft'
         // We should track changes in inplaceMode value or plugin would show UP-TO-DATE for this task
         // even if inplaceMode was changed
-        inputs.property('inplaceMode', getInplaceMode)
+        inputs.property('inplaceMode', inplaceMode)
 
-        onlyIf { getInplaceMode() != 'hard' }
+        onlyIf { inplaceMode != 'hard' }
 
         // Attention: call order is important here! Overlay files must be copied prior to this web-app files.
 
         for (String overlay in project.gretty.overlays) {
           Project overlayProject = project.project(overlay)
-          dependsOn { overlayProject.tasks.findByName('prepareInplaceWebAppFolder') }
+          // Use a string-based task path instead of a Project-capturing closure so that this
+          // dependsOn declartion is compatible with the Gradle configuration cache ( issue #332)
+          dependsOn ":${overlay}:prepareInplaceWebAppFolder"
           from "${overlayProject.buildDir}/inplaceWebapp"
         }