diff --git a/build.gradle b/build.gradle
index 18f863f05c174caa9d4c6b24b92ff22ee2ffcf75..470e98c0adbd4223afc8e75978f778576373e5e9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,8 +8,8 @@ buildscript {
     }
 
     dependencies {
-        classpath "com.android.tools.build:gradle:4.1.3"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.21"
+        classpath "com.android.tools.build:gradle:_"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:_"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/decoder/build.gradle b/decoder/build.gradle
index 318f8447fb22b0aea6e7448a469ba3924393816b..4538b0325908c09948c5e752498d9ad77b4ecea0 100644
--- a/decoder/build.gradle
+++ b/decoder/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'com.android.library'
     id 'kotlin-android'
-    id("org.jetbrains.dokka") version "1.6.21"
+    id 'org.jetbrains.dokka'
 }
 
 android {
@@ -30,20 +30,19 @@ android {
 dependencies {
     coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:_"
 
-    libraryVariants.all { variant ->
+    android.libraryVariants.all { variant ->
         variant.outputs.each { output ->
             def lintTask = tasks["lint${variant.name.capitalize()}"]
             output.assemble.dependsOn lintTask
         }
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:_"
-    implementation "org.jetbrains.kotlin:kotlin-reflect:_"
-    implementation "com.augustcellars.cose:cose-java:_"
-    implementation("com.github.java-json-tools:json-schema-validator:_") {
-        exclude group: "org.mozilla", module: "rhino"
+        implementation "org.jetbrains.kotlin:kotlin-stdlib:_"
+        implementation "org.jetbrains.kotlin:kotlin-reflect:_"
+        implementation "com.augustcellars.cose:cose-java:_"
+        implementation("com.github.java-json-tools:json-schema-validator:_") {
+            exclude group: "org.mozilla", module: "rhino"
+        }
     }
-}
 
-dependencies {
     implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:_"
     implementation "org.bouncycastle:bcpkix-jdk18on:_"