diff --git a/idea/build.gradle.kts b/idea/build.gradle.kts
index 49aeecf89e2..f0c018dc744 100644
--- a/idea/build.gradle.kts
+++ b/idea/build.gradle.kts
@@ -86,6 +86,7 @@ dependencies {
     testCompile(intellijPluginDep("copyright"))
     testCompile(intellijPluginDep("properties"))
     testCompile(intellijPluginDep("java-i18n"))
+    testCompile(intellijPluginDep("stream-debugger"))
     testCompileOnly(intellijDep())
     testCompileOnly(commonDep("com.google.code.findbugs", "jsr305"))
     testCompileOnly(intellijPluginDep("gradle"))