diff --git a/buildSrc/src/main/kotlin/CompilationConfig.kt b/buildSrc/src/main/kotlin/CompilationConfig.kt
index f0d1e7829..002b4c7f6 100644
--- a/buildSrc/src/main/kotlin/CompilationConfig.kt
+++ b/buildSrc/src/main/kotlin/CompilationConfig.kt
@@ -13,6 +13,7 @@ import org.gradle.kotlin.dsl.getByName
 import org.gradle.kotlin.dsl.register
 import org.gradle.kotlin.dsl.withType
 import org.gradle.language.jvm.tasks.ProcessResources
+import org.gradle.plugins.ide.idea.model.IdeaModel
 
 fun Project.configureCompilation() {
     apply(plugin = "maven-publish")
@@ -21,6 +22,13 @@ fun Project.configureCompilation() {
     apply(plugin = "idea")
     apply<TectonicDocPlugin>()
     
+    configure<IdeaModel> {
+        module {
+            isDownloadJavadoc = true
+            isDownloadSources = true
+        }
+    }
+    
     configure<JavaPluginExtension> {
         sourceCompatibility = JavaVersion.VERSION_21
         targetCompatibility = JavaVersion.VERSION_21