diff --git a/calendar-kata/pom.xml b/calendar-kata/pom.xml
index bb0963d2..560986ca 100644
--- a/calendar-kata/pom.xml
+++ b/calendar-kata/pom.xml
@@ -39,7 +39,7 @@
 
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
         <threeten-extra.version>1.3.2</threeten-extra.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <dependencies>
diff --git a/code-point-kata/pom.xml b/code-point-kata/pom.xml
index 33f5a666..69156cac 100644
--- a/code-point-kata/pom.xml
+++ b/code-point-kata/pom.xml
@@ -38,7 +38,7 @@
         <maven.compiler.target>10</maven.compiler.target>
 
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <dependencies>
diff --git a/deck-of-cards-kata/pom.xml b/deck-of-cards-kata/pom.xml
index 6401c32c..f61b06aa 100644
--- a/deck-of-cards-kata/pom.xml
+++ b/deck-of-cards-kata/pom.xml
@@ -39,9 +39,9 @@
 
         <apache-collections.version>4.1</apache-collections.version>
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
-        <guava.version>25.0-jre</guava.version>
+        <guava.version>32.0.0-jre</guava.version>
         <vavr.version>0.9.2</vavr.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <dependencies>
diff --git a/donut-kata/pom.xml b/donut-kata/pom.xml
index a56badc5..58ae4344 100644
--- a/donut-kata/pom.xml
+++ b/donut-kata/pom.xml
@@ -37,10 +37,10 @@
         <maven.compiler.source>10</maven.compiler.source>
         <maven.compiler.target>10</maven.compiler.target>
 
-        <kotlin.version>1.2.41</kotlin.version>
+        <kotlin.version>1.6.0</kotlin.version>
 
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <dependencies>
diff --git a/java-lambda-kata/pom.xml b/java-lambda-kata/pom.xml
index 535e6328..d8fa8b4b 100644
--- a/java-lambda-kata/pom.xml
+++ b/java-lambda-kata/pom.xml
@@ -38,7 +38,7 @@
         <maven.compiler.target>10</maven.compiler.target>
 
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <dependencies>
diff --git a/jmh-kata/pom.xml b/jmh-kata/pom.xml
index a1639fab..fe22342e 100644
--- a/jmh-kata/pom.xml
+++ b/jmh-kata/pom.xml
@@ -40,7 +40,7 @@
 
         <eclipse-collections.version>9.2.0</eclipse-collections.version>
         <jmh.version>1.21</jmh.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
     </properties>
 
     <build>