diff --git a/examples/bankaccount-jgiven-junit4/pom.xml b/examples/bankaccount-jgiven-junit4/pom.xml
index 80f40cf..50662db 100644
--- a/examples/bankaccount-jgiven-junit4/pom.xml
+++ b/examples/bankaccount-jgiven-junit4/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>2.0.5</version>
+      <version>2.0.6</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/examples/bankaccount-jgiven-junit5/pom.xml b/examples/bankaccount-jgiven-junit5/pom.xml
index 4d895fd..6b60954 100644
--- a/examples/bankaccount-jgiven-junit5/pom.xml
+++ b/examples/bankaccount-jgiven-junit5/pom.xml
@@ -40,7 +40,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>2.0.5</version>
+      <version>2.0.6</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/extension/upcaster-test-core/pom.xml b/extension/upcaster-test-core/pom.xml
index f61dab5..edef265 100644
--- a/extension/upcaster-test-core/pom.xml
+++ b/extension/upcaster-test-core/pom.xml
@@ -70,7 +70,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>2.0.5</version>
+      <version>2.0.6</version>
     </dependency>