diff --git a/java-showcase/gapic-showcase/pom.xml b/java-showcase/gapic-showcase/pom.xml
index c95ee76852..d5560c7c41 100644
--- a/java-showcase/gapic-showcase/pom.xml
+++ b/java-showcase/gapic-showcase/pom.xml
@@ -18,7 +18,7 @@
 
   <properties>
     <gapic-showcase.version>0.36.2</gapic-showcase.version>
-    <slf4j1-logback.version>1.2.13</slf4j1-logback.version>
+    <slf4j1-logback.version>1.3.15</slf4j1-logback.version>
   </properties>
 
   <build>