diff --git a/admin-ui/pom.xml b/admin-ui/pom.xml
index 97acc28d3..c94b650f7 100644
--- a/admin-ui/pom.xml
+++ b/admin-ui/pom.xml
@@ -52,7 +52,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 
 
diff --git a/examples/java-api/pom.xml b/examples/java-api/pom.xml
index db27d9ec2..ca676a39b 100644
--- a/examples/java-api/pom.xml
+++ b/examples/java-api/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 
 		<!-- unit tests -->
diff --git a/knowledge-directory/pom.xml b/knowledge-directory/pom.xml
index 350e4696c..2e4fd059b 100644
--- a/knowledge-directory/pom.xml
+++ b/knowledge-directory/pom.xml
@@ -130,7 +130,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 		<!-- Jetty -->
 		<dependency>
diff --git a/reasoner/pom.xml b/reasoner/pom.xml
index 6bb872642..38812fd50 100644
--- a/reasoner/pom.xml
+++ b/reasoner/pom.xml
@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 		<!-- jena -->
 		<dependency>
diff --git a/smart-connector-api/pom.xml b/smart-connector-api/pom.xml
index e297ec343..545faa384 100644
--- a/smart-connector-api/pom.xml
+++ b/smart-connector-api/pom.xml
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 		<dependency>
 			<groupId>eu.knowledge.engine</groupId>
diff --git a/smart-connector-rest-server/pom.xml b/smart-connector-rest-server/pom.xml
index 749484ebf..6e078e113 100644
--- a/smart-connector-rest-server/pom.xml
+++ b/smart-connector-rest-server/pom.xml
@@ -41,7 +41,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 		<!-- Jetty -->
 		<dependency>
diff --git a/smart-connector/pom.xml b/smart-connector/pom.xml
index f42080d1c..33b3b2a19 100644
--- a/smart-connector/pom.xml
+++ b/smart-connector/pom.xml
@@ -25,7 +25,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.25</version>
+			<version>2.0.13</version>
 		</dependency>
 
 		<!-- unit tests -->