diff --git a/buildSrc/src/main/kotlin/androidLibrary.gradle.kts b/buildSrc/src/main/kotlin/androidLibrary.gradle.kts
index 54cd2896..90886b18 100644
--- a/buildSrc/src/main/kotlin/androidLibrary.gradle.kts
+++ b/buildSrc/src/main/kotlin/androidLibrary.gradle.kts
@@ -90,6 +90,19 @@ tasks.withType<KotlinCompile>()
     }
   }
 
+// https://youtrack.jetbrains.com/issue/KT-37652
+tasks
+  .matching { it is KotlinCompile && !it.name.contains("test", ignoreCase = true) }
+  .configureEach {
+    val task = this
+    if (!project.hasProperty("kotlin.optOutExplicitApi")) {
+      val kotlinCompile = task as KotlinCompile
+      if ("-Xexplicit-api=strict" !in kotlinCompile.kotlinOptions.freeCompilerArgs) {
+        kotlinCompile.kotlinOptions.freeCompilerArgs += "-Xexplicit-api=strict"
+      }
+    }
+  }
+
 tasks.withType<Test> {
   useJUnitPlatform()
 
diff --git a/tangle-fragment-api/src/main/java/tangle/fragment/FragmentInject.kt b/tangle-fragment-api/src/main/java/tangle/fragment/FragmentInject.kt
index f23a9833..dd459954 100644
--- a/tangle-fragment-api/src/main/java/tangle/fragment/FragmentInject.kt
+++ b/tangle-fragment-api/src/main/java/tangle/fragment/FragmentInject.kt
@@ -37,4 +37,4 @@ public annotation class ContributesFragment(
 )
 @Retention(AnnotationRetention.RUNTIME)
 @MapKey
-annotation class FragmentKey(val value: KClass<out Fragment>)
+public annotation class FragmentKey(val value: KClass<out Fragment>)
diff --git a/tangle-fragment-api/src/main/java/tangle/fragment/TangleFragmentFactory.kt b/tangle-fragment-api/src/main/java/tangle/fragment/TangleFragmentFactory.kt
index ef0dbfc1..d1ca3ffd 100644
--- a/tangle-fragment-api/src/main/java/tangle/fragment/TangleFragmentFactory.kt
+++ b/tangle-fragment-api/src/main/java/tangle/fragment/TangleFragmentFactory.kt
@@ -4,7 +4,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentFactory
 import javax.inject.Provider
 
-class TangleFragmentFactory(
+public class TangleFragmentFactory(
   private val providerMap: Map<Class<out Fragment>, Provider<@JvmSuppressWildcards Fragment>>,
   @TangleFragmentProviderMap
   private val assistedProviderMap: Map<Class<out Fragment>, Provider<@JvmSuppressWildcards Fragment>>
diff --git a/tangle-fragment-api/src/main/java/tangle/fragment/arg.kt b/tangle-fragment-api/src/main/java/tangle/fragment/arg.kt
index 55e50cca..4f237e86 100644
--- a/tangle-fragment-api/src/main/java/tangle/fragment/arg.kt
+++ b/tangle-fragment-api/src/main/java/tangle/fragment/arg.kt
@@ -1,8 +1,8 @@
-package tangle.inject.api
+package tangle.fragment
 
 import androidx.fragment.app.Fragment
 
-fun <A : Any> Fragment.arg(bundleKey: String) = lazy {
+public fun <A : Any> Fragment.arg(bundleKey: String): Lazy<A> = lazy {
   @Suppress("UNCHECKED_CAST")
   (arguments?.get(bundleKey) as? A)
     ?: throw IllegalStateException("Bundle does not contain key: $bundleKey")
diff --git a/tangle-viewmodel-api/src/main/java/tangle/viewmodel/TangleViewModelFactory.kt b/tangle-viewmodel-api/src/main/java/tangle/viewmodel/TangleViewModelFactory.kt
index c57d0c3b..44cc8c44 100644
--- a/tangle-viewmodel-api/src/main/java/tangle/viewmodel/TangleViewModelFactory.kt
+++ b/tangle-viewmodel-api/src/main/java/tangle/viewmodel/TangleViewModelFactory.kt
@@ -24,7 +24,7 @@ import androidx.savedstate.SavedStateRegistryOwner
 import tangle.inject.InternalTangleApi
 
 @InternalTangleApi
-class TangleViewModelFactory(
+public class TangleViewModelFactory(
   owner: SavedStateRegistryOwner,
   defaultArgs: Bundle?,
   private val tangleViewModelKeys: Set<Class<*>>,
@@ -65,9 +65,9 @@ class TangleViewModelFactory(
     }
   }
 
-  companion object {
+  public companion object {
 
-    operator fun invoke(
+    public operator fun invoke(
       owner: SavedStateRegistryOwner,
       defaultArgs: Bundle?,
       defaultFactory: ViewModelProvider.Factory
diff --git a/tangle-viewmodel-api/src/main/java/tangle/viewmodel/ViewModelKey.kt b/tangle-viewmodel-api/src/main/java/tangle/viewmodel/ViewModelKey.kt
index caabc094..ad7b69c6 100644
--- a/tangle-viewmodel-api/src/main/java/tangle/viewmodel/ViewModelKey.kt
+++ b/tangle-viewmodel-api/src/main/java/tangle/viewmodel/ViewModelKey.kt
@@ -27,4 +27,4 @@ import kotlin.reflect.KClass
 )
 @Retention(AnnotationRetention.RUNTIME)
 @MapKey
-annotation class ViewModelKey(val value: KClass<out ViewModel>)
+public annotation class ViewModelKey(val value: KClass<out ViewModel>)
diff --git a/tangle-viewmodel-compose/src/main/java/tangle/inject/compose/compose.kt b/tangle-viewmodel-compose/src/main/java/tangle/inject/compose/compose.kt
index 3d9052d8..9ba1c66b 100644
--- a/tangle-viewmodel-compose/src/main/java/tangle/inject/compose/compose.kt
+++ b/tangle-viewmodel-compose/src/main/java/tangle/inject/compose/compose.kt
@@ -32,7 +32,7 @@ import tangle.viewmodel.tangle
  * the NavController back stack.
  */
 @Composable
-inline fun <reified VM : ViewModel> tangle(
+public inline fun <reified VM : ViewModel> tangle(
   viewModelStoreOwner: ViewModelStoreOwner = checkNotNull(LocalViewModelStoreOwner.current) {
     "No ViewModelStoreOwner was provided via LocalViewModelStoreOwner"
   }