diff --git a/jOOQ-examples/jOOQ-academy/pom.xml b/jOOQ-examples/jOOQ-academy/pom.xml
index 98be13647e..f3ebf5f116 100644
--- a/jOOQ-examples/jOOQ-academy/pom.xml
+++ b/jOOQ-examples/jOOQ-academy/pom.xml
@@ -45,7 +45,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- Testing -->
diff --git a/jOOQ-examples/jOOQ-javaee-example/pom.xml b/jOOQ-examples/jOOQ-javaee-example/pom.xml
index d4ceb1763c..fac8539b54 100644
--- a/jOOQ-examples/jOOQ-javaee-example/pom.xml
+++ b/jOOQ-examples/jOOQ-javaee-example/pom.xml
@@ -100,7 +100,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- Testing -->
diff --git a/jOOQ-examples/jOOQ-javafx-example/pom.xml b/jOOQ-examples/jOOQ-javafx-example/pom.xml
index 0562f5487e..a350fac4b8 100644
--- a/jOOQ-examples/jOOQ-javafx-example/pom.xml
+++ b/jOOQ-examples/jOOQ-javafx-example/pom.xml
@@ -42,7 +42,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- JavaFX -->
diff --git a/jOOQ-examples/jOOQ-jpa-example/pom.xml b/jOOQ-examples/jOOQ-jpa-example/pom.xml
index b52b816911..e6507737c4 100644
--- a/jOOQ-examples/jOOQ-jpa-example/pom.xml
+++ b/jOOQ-examples/jOOQ-jpa-example/pom.xml
@@ -73,7 +73,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- Testing -->
diff --git a/jOOQ-examples/jOOQ-oracle-example/pom.xml b/jOOQ-examples/jOOQ-oracle-example/pom.xml
index b4b7e15553..b471815dfa 100644
--- a/jOOQ-examples/jOOQ-oracle-example/pom.xml
+++ b/jOOQ-examples/jOOQ-oracle-example/pom.xml
@@ -42,7 +42,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- Testing -->
diff --git a/jOOQ-examples/jOOQ-r2dbc-example/pom.xml b/jOOQ-examples/jOOQ-r2dbc-example/pom.xml
index 99cb068dc7..00a335c038 100644
--- a/jOOQ-examples/jOOQ-r2dbc-example/pom.xml
+++ b/jOOQ-examples/jOOQ-r2dbc-example/pom.xml
@@ -12,10 +12,6 @@
 
     <artifactId>jooq-r2dbc-example</artifactId>
     
-    <properties>
-        <log4j.version>2.11.2</log4j.version>
-    </properties>
-
     <build>
         <plugins>
             <plugin>
@@ -79,22 +75,14 @@
         <dependency>
             <groupId>io.r2dbc</groupId>
             <artifactId>r2dbc-h2</artifactId>
-            <version>0.8.4.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j18-impl</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j.version}</version>
+            <artifactId>log4j-slf4j-impl</artifactId>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/jOOQ-examples/jOOQ-spark-example/pom.xml b/jOOQ-examples/jOOQ-spark-example/pom.xml
index 2ddb53fe30..90a7700c92 100644
--- a/jOOQ-examples/jOOQ-spark-example/pom.xml
+++ b/jOOQ-examples/jOOQ-spark-example/pom.xml
@@ -54,7 +54,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
         
         <!-- Testing -->
diff --git a/jOOQ-examples/jOOQ-spring-example/pom.xml b/jOOQ-examples/jOOQ-spring-example/pom.xml
index 26fd259d21..84fd6fb953 100644
--- a/jOOQ-examples/jOOQ-spring-example/pom.xml
+++ b/jOOQ-examples/jOOQ-spring-example/pom.xml
@@ -45,7 +45,6 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.11.0</version>
         </dependency>
 
         <!-- Spring (transitive dependencies are not listed explicitly) -->
diff --git a/jOOQ-examples/jOOQ-testcontainers-example/pom.xml b/jOOQ-examples/jOOQ-testcontainers-example/pom.xml
index 3f6c751201..24ee7ad1dc 100644
--- a/jOOQ-examples/jOOQ-testcontainers-example/pom.xml
+++ b/jOOQ-examples/jOOQ-testcontainers-example/pom.xml
@@ -44,14 +44,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j18-impl</artifactId>
-            <version>2.11.2</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>2.11.2</version>
+            <artifactId>log4j-slf4j-impl</artifactId>
             <scope>test</scope>
         </dependency>
 
diff --git a/jOOQ-examples/jOOQ-testcontainers-flyway-example/pom.xml b/jOOQ-examples/jOOQ-testcontainers-flyway-example/pom.xml
index 2e1305cce4..c7121b9984 100644
--- a/jOOQ-examples/jOOQ-testcontainers-flyway-example/pom.xml
+++ b/jOOQ-examples/jOOQ-testcontainers-flyway-example/pom.xml
@@ -43,14 +43,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j18-impl</artifactId>
-            <version>2.11.2</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>2.11.2</version>
+            <artifactId>log4j-slf4j-impl</artifactId>
             <scope>test</scope>
         </dependency>
 
diff --git a/jOOQ-scala_2.13/pom.xml b/jOOQ-scala_2.13/pom.xml
index 2b6a83ba23..4d0d7fc7b5 100644
--- a/jOOQ-scala_2.13/pom.xml
+++ b/jOOQ-scala_2.13/pom.xml
@@ -102,7 +102,6 @@
 
 
 
-
 
 
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 5d8037f1bc..62ef16a0d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -276,7 +276,7 @@
 
 
 
-            <!-- Optional logging dependency -->
+            <!-- Optional logging dependencies -->
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
@@ -284,6 +284,13 @@
                 <scope>provided</scope>
                 <optional>true</optional>
             </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-slf4j-impl</artifactId>
+                <version>2.15.0</version>
+                <scope>provided</scope>
+                <optional>true</optional>
+            </dependency>
 
             <!-- Optional JPA dependency -->
             <dependency>