diff --git a/samples/android/gradle.properties b/samples/android/gradle.properties
index b52c28a90..df199058d 100644
--- a/samples/android/gradle.properties
+++ b/samples/android/gradle.properties
@@ -16,7 +16,7 @@ org.gradle.jvmargs=-Xmx1536m
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-spek_version=2.1.0-alpha.0.9+a2ab044
+spek_version=2.1.0-alpha.0.14+a763c30
 android_junit5_version=1.5.2.0
 junit5_runner=0.2.2
 jacoco_version=0.8.1
diff --git a/samples/jvm/build.gradle b/samples/jvm/build.gradle
index ed79febc2..e32be0883 100644
--- a/samples/jvm/build.gradle
+++ b/samples/jvm/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
-    ext.kotlin_version = '1.3.31'
-    ext.spek_version = '2.1.0-alpha.0.9+a2ab044'
+    ext.kotlin_version = '1.3.61'
+    ext.spek_version = '2.1.0-alpha.0.14+a763c30'
 
     repositories {
         jcenter()
diff --git a/samples/jvm/gradle/wrapper/gradle-wrapper.jar b/samples/jvm/gradle/wrapper/gradle-wrapper.jar
index 135367700..94336fcae 100644
Binary files a/samples/jvm/gradle/wrapper/gradle-wrapper.jar and b/samples/jvm/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/samples/jvm/gradle/wrapper/gradle-wrapper.properties b/samples/jvm/gradle/wrapper/gradle-wrapper.properties
index 290541c73..b7c8c5dbf 100644
--- a/samples/jvm/gradle/wrapper/gradle-wrapper.properties
+++ b/samples/jvm/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/samples/maven/pom.xml b/samples/maven/pom.xml
index b703f5b97..066b0d42b 100644
--- a/samples/maven/pom.xml
+++ b/samples/maven/pom.xml
@@ -12,7 +12,7 @@
     <properties>
         <jdk.version>1.8</jdk.version>
         <kotlin.version>1.3.31</kotlin.version>
-        <spek.version>2.1.0-alpha.0.9+a2ab044</spek.version>
+        <spek.version>2.1.0-alpha.0.14+a763c30</spek.version>
     </properties>
 
     <dependencies>
diff --git a/samples/multiplatform/build.gradle b/samples/multiplatform/build.gradle
index a7cc81c2b..55abec4d2 100644
--- a/samples/multiplatform/build.gradle
+++ b/samples/multiplatform/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
-    ext.kotlin_version = '1.3.31'
-    ext.spek_version = '2.1.0-alpha.0.9+a2ab044'
+    ext.kotlin_version = '1.3.61'
+    ext.spek_version = '2.1.0-alpha.0.14+a763c30'
 
     repositories {
         jcenter()
diff --git a/samples/multiplatform/gradle/wrapper/gradle-wrapper.jar b/samples/multiplatform/gradle/wrapper/gradle-wrapper.jar
index 135367700..94336fcae 100644
Binary files a/samples/multiplatform/gradle/wrapper/gradle-wrapper.jar and b/samples/multiplatform/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/samples/multiplatform/gradle/wrapper/gradle-wrapper.properties b/samples/multiplatform/gradle/wrapper/gradle-wrapper.properties
index 290541c73..b7c8c5dbf 100644
--- a/samples/multiplatform/gradle/wrapper/gradle-wrapper.properties
+++ b/samples/multiplatform/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists