diff --git a/pom.xml b/pom.xml
index 76668659..42c1358a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
     </modules>
     <properties>
         <dokka.version>1.9.20</dokka.version>
-        <kotlin.version>2.0.10</kotlin.version>
+        <kotlin.version>2.0.20</kotlin.version>
         <kotlin-coroutines.version>1.6.2</kotlin-coroutines.version>
         <doclint>none</doclint>
         <sonar.host.url>https://sonarcloud.io</sonar.host.url>
@@ -60,7 +60,7 @@
         <okhttp3.version>4.12.0</okhttp3.version>
         <ktor.version>2.3.12</ktor.version>
         <kotlin.code.style>official</kotlin.code.style>
-        <kotlin.version>2.0.10</kotlin.version>
+        <kotlin.version>2.0.20</kotlin.version>
         <mock-oauth2-server.version>2.1.9</mock-oauth2-server.version>
         <nimbus.jose.jwt.version>9.40</nimbus.jose.jwt.version>
         <kotest.version>5.9.1</kotest.version>
diff --git a/token-validation-spring-test/pom.xml b/token-validation-spring-test/pom.xml
index d6023dc6..d97eb975 100644
--- a/token-validation-spring-test/pom.xml
+++ b/token-validation-spring-test/pom.xml
@@ -12,7 +12,7 @@
     <artifactId>token-validation-spring-test</artifactId>
 
     <properties>
-        <kotlin.version>2.0.10</kotlin.version>
+        <kotlin.version>2.0.20</kotlin.version>
     </properties>
 
 
diff --git a/token-validation-spring/pom.xml b/token-validation-spring/pom.xml
index 75ad16c3..e835b71f 100644
--- a/token-validation-spring/pom.xml
+++ b/token-validation-spring/pom.xml
@@ -9,7 +9,7 @@
     <artifactId>token-validation-spring</artifactId>
     <name>token-validation-spring</name>
     <properties>
-        <kotlin.version>2.0.10</kotlin.version>
+        <kotlin.version>2.0.20</kotlin.version>
     </properties>
     <dependencies>
         <dependency>