diff --git a/modules/swagger-codegen/pom.xml b/modules/swagger-codegen/pom.xml
index b1318a343e2..c62bf655b57 100644
--- a/modules/swagger-codegen/pom.xml
+++ b/modules/swagger-codegen/pom.xml
@@ -312,6 +312,11 @@
             <artifactId>slf4j-api</artifactId>
             <version>${slf4j-version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${slf4j-version}</version>
+        </dependency>
         <dependency>
             <groupId>commons-lang</groupId>
             <artifactId>commons-lang</artifactId>
diff --git a/pom.xml b/pom.xml
index ada6e427bad..883d22257c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -525,7 +525,7 @@
         <junit-version>4.8.1</junit-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <commons-lang-version>2.4</commons-lang-version>
-        <slf4j-version>1.6.3</slf4j-version>
+        <slf4j-version>1.7.12</slf4j-version>
         <scala-maven-plugin-version>3.2.1</scala-maven-plugin-version>
         <jmustache-version>1.9</jmustache-version>
         <testng-version>6.9.6</testng-version>