diff --git a/build-logic/src/main/kotlin/-KmpConfigurationExtension.kt b/build-logic/src/main/kotlin/-KmpConfigurationExtension.kt
index e59deb7..3f98f51 100644
--- a/build-logic/src/main/kotlin/-KmpConfigurationExtension.kt
+++ b/build-logic/src/main/kotlin/-KmpConfigurationExtension.kt
@@ -17,6 +17,7 @@ import io.matthewnelson.kmp.configuration.extension.KmpConfigurationExtension
 import io.matthewnelson.kmp.configuration.extension.container.target.KmpConfigurationContainerDsl
 import org.gradle.api.Action
 import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
+import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
 
 fun KmpConfigurationExtension.configureShared(
     java9ModuleName: String? = null,
@@ -73,6 +74,15 @@ fun KmpConfigurationExtension.configureShared(
 
         if (publish) kotlin { explicitApi() }
 
+        if (publish) kotlin {
+            @Suppress("DEPRECATION")
+            compilerOptions {
+                freeCompilerArgs.add("-Xsuppress-version-warnings")
+                apiVersion.set(KotlinVersion.KOTLIN_1_8)
+                languageVersion.set(KotlinVersion.KOTLIN_1_8)
+            }
+        }
+
         action.execute(this)
     }
 }
diff --git a/library/core/src/jvmMain/kotlin/org/kotlincrypto/core/-AndroidSdkInt.kt b/library/core/src/jvmMain/kotlin/org/kotlincrypto/core/-AndroidSdkInt.kt
index 7f5a9fe..365229c 100644
--- a/library/core/src/jvmMain/kotlin/org/kotlincrypto/core/-AndroidSdkInt.kt
+++ b/library/core/src/jvmMain/kotlin/org/kotlincrypto/core/-AndroidSdkInt.kt
@@ -13,6 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
+@file:Suppress("UNNECESSARY_SAFE_CALL")
+
 package org.kotlincrypto.core
 
 @InternalKotlinCryptoApi
diff --git a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/Digest.kt b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
index 77eb62c..c2adfcc 100644
--- a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
+++ b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "UNUSED")
 
 package org.kotlincrypto.core.digest
 
diff --git a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-Buffer.kt b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-Buffer.kt
index c0ad2c7..efd558b 100644
--- a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-Buffer.kt
+++ b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-Buffer.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("KotlinRedundantDiagnosticSuppress", "NOTHING_TO_INLINE")
+@file:Suppress("NOTHING_TO_INLINE")
 
 package org.kotlincrypto.core.digest.internal
 
diff --git a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-CommonPlatform.kt b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-CommonPlatform.kt
index 598fbf4..35ea117 100644
--- a/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-CommonPlatform.kt
+++ b/library/digest/src/commonMain/kotlin/org/kotlincrypto/core/digest/internal/-CommonPlatform.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("KotlinRedundantDiagnosticSuppress", "NOTHING_TO_INLINE")
+@file:Suppress("NOTHING_TO_INLINE")
 
 package org.kotlincrypto.core.digest.internal
 
diff --git a/library/digest/src/jvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt b/library/digest/src/jvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
index 0d878b6..417983e 100644
--- a/library/digest/src/jvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
+++ b/library/digest/src/jvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "DeprecatedCallableAddReplaceWith")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
 
 package org.kotlincrypto.core.digest
 
diff --git a/library/digest/src/nonJvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt b/library/digest/src/nonJvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
index bd33f78..8eaac68 100644
--- a/library/digest/src/nonJvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
+++ b/library/digest/src/nonJvmMain/kotlin/org/kotlincrypto/core/digest/Digest.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "KotlinRedundantDiagnosticSuppress")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
 
 package org.kotlincrypto.core.digest
 
diff --git a/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/Mac.kt b/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
index 657ae1d..1c03650 100644
--- a/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
+++ b/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "UNUSED", "RedundantVisibilityModifier")
 
 package org.kotlincrypto.core.mac
 
diff --git a/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/internal/-CommonPlatform.kt b/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/internal/-CommonPlatform.kt
index 15c7dd0..390a7c7 100644
--- a/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/internal/-CommonPlatform.kt
+++ b/library/mac/src/commonMain/kotlin/org/kotlincrypto/core/mac/internal/-CommonPlatform.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("KotlinRedundantDiagnosticSuppress", "NOTHING_TO_INLINE")
+@file:Suppress("NOTHING_TO_INLINE")
 
 package org.kotlincrypto.core.mac.internal
 
diff --git a/library/mac/src/jvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt b/library/mac/src/jvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
index 674f22a..92b6b3e 100644
--- a/library/mac/src/jvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
+++ b/library/mac/src/jvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "DeprecatedCallableAddReplaceWith")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "RedundantVisibilityModifier")
 
 package org.kotlincrypto.core.mac
 
@@ -325,10 +325,11 @@ public actual abstract class Mac: javax.crypto.Mac, Algorithm, Copyable<Mac>, Re
         public actual final override fun hashCode(): Int = 17 * 31 + code.hashCode()
     }
 
-    private data object EmptyKey: KeySpec, SecretKey {
+    private object EmptyKey: KeySpec, SecretKey {
         override fun getAlgorithm(): String = "org.kotlincrypto.core.mac.Mac.EmptyKey"
         override fun getEncoded(): ByteArray? = null
         override fun getFormat(): String = "RAW"
+        @Suppress("UNUSED")
         private fun readResolve(): Any = EmptyKey
     }
 
diff --git a/library/mac/src/nonJvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt b/library/mac/src/nonJvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
index b4f59f8..60addef 100644
--- a/library/mac/src/nonJvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
+++ b/library/mac/src/nonJvmMain/kotlin/org/kotlincrypto/core/mac/Mac.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
+@file:Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "RedundantVisibilityModifier")
 
 package org.kotlincrypto.core.mac
 
diff --git a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/Xof.kt b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/Xof.kt
index 5c30ada..4a9286c 100644
--- a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/Xof.kt
+++ b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/Xof.kt
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-@file:Suppress("KotlinRedundantDiagnosticSuppress", "NOTHING_TO_INLINE")
+@file:Suppress("NOTHING_TO_INLINE")
 
 package org.kotlincrypto.core.xof
 
@@ -66,7 +66,7 @@ public sealed class Xof<A: XofAlgorithm>(
 
         /**
          * Helper to provide access to the instance backing [Xof], if said instance
-         * can be re-keyed (such as a [org.kotlincrypto.core.mac.Mac]).
+         * can be re-keyed (such as a `org.kotlincrypto.core.mac.Mac`).
          *
          * @throws [InvalidKeyException] if [newKey] is unacceptable.
          * */
diff --git a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofAlgorithm.kt b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofAlgorithm.kt
index 9ea50dd..904a209 100644
--- a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofAlgorithm.kt
+++ b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofAlgorithm.kt
@@ -26,7 +26,7 @@ public interface XofAlgorithm: Algorithm
 
 /**
  * Extended functionality, specifically for a [Xof] who's backing instance
- * is a [org.kotlincrypto.core.mac.Mac].
+ * is a `org.kotlincrypto.core.mac.Mac`.
  *
  *
  * @see [Xof.Companion.reset]
diff --git a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofFactory.kt b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofFactory.kt
index 5a40fdc..3483f77 100644
--- a/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofFactory.kt
+++ b/library/xof/src/commonMain/kotlin/org/kotlincrypto/core/xof/XofFactory.kt
@@ -13,6 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
+@file:Suppress("RedundantVisibilityModifier")
+
 package org.kotlincrypto.core.xof
 
 import org.kotlincrypto.core.*