diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1e973f08..565c18a2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ kotlin = "1.8.22"
 moshi = "1.15.0"
 retrofit = "2.9.0"
 junit = "5.9.3"
-truth = "1.1.3"
+truth = "1.1.5"
 
 [libraries]
 okhttp = "com.squareup.okhttp3:okhttp:4.11.0"
diff --git a/plugin/src/integrationTest/kotlin/com/vanniktech/maven/publish/Subjects.kt b/plugin/src/integrationTest/kotlin/com/vanniktech/maven/publish/Subjects.kt
index 906f73a6..c6661be4 100644
--- a/plugin/src/integrationTest/kotlin/com/vanniktech/maven/publish/Subjects.kt
+++ b/plugin/src/integrationTest/kotlin/com/vanniktech/maven/publish/Subjects.kt
@@ -31,7 +31,7 @@ class ProjectResultSubject private constructor(
 
   companion object {
     private val BUILD_RESULT_SUBJECT_FACTORY: Factory<ProjectResultSubject, ProjectResult> =
-      Factory { metadata, actual -> ProjectResultSubject(metadata, actual) }
+      Factory { metadata, actual -> ProjectResultSubject(metadata, actual!!) }
 
     fun projectResult() = BUILD_RESULT_SUBJECT_FACTORY
 
@@ -106,7 +106,7 @@ open class ArtifactSubject internal constructor(
 
   companion object {
     private val BUILD_RESULT_SUBJECT_FACTORY: Factory<ArtifactSubject, Pair<Path, ProjectResult>> =
-      Factory { metadata, actual -> ArtifactSubject(metadata, actual.first, actual.second) }
+      Factory { metadata, actual -> ArtifactSubject(metadata, actual!!.first, actual.second) }
 
     fun artifact() = BUILD_RESULT_SUBJECT_FACTORY
   }
@@ -208,7 +208,7 @@ class SourcesJarSubject private constructor(
 
   companion object {
     private val BUILD_RESULT_SUBJECT_FACTORY: Factory<SourcesJarSubject, Pair<Path, ProjectResult>> =
-      Factory { metadata, actual -> SourcesJarSubject(metadata, actual.first, actual.second) }
+      Factory { metadata, actual -> SourcesJarSubject(metadata, actual!!.first, actual.second) }
 
     fun sourcesJarSubject() = BUILD_RESULT_SUBJECT_FACTORY
   }
@@ -243,7 +243,7 @@ class PomSubject private constructor(
 
   companion object {
     private val BUILD_RESULT_SUBJECT_FACTORY: Factory<PomSubject, Pair<Path, ProjectResult>> =
-      Factory { metadata, actual -> PomSubject(metadata, actual.first, actual.second) }
+      Factory { metadata, actual -> PomSubject(metadata, actual!!.first, actual.second) }
 
     fun pomSubject() = BUILD_RESULT_SUBJECT_FACTORY
   }