diff --git a/bigtable-hbase-1.x-parent/bigtable-hbase-1.x-integration-tests/pom.xml b/bigtable-hbase-1.x-parent/bigtable-hbase-1.x-integration-tests/pom.xml
index 2ba5931b54..b69d796735 100644
--- a/bigtable-hbase-1.x-parent/bigtable-hbase-1.x-integration-tests/pom.xml
+++ b/bigtable-hbase-1.x-parent/bigtable-hbase-1.x-integration-tests/pom.xml
@@ -617,7 +617,7 @@ limitations under the License.
           <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>log4j-over-slf4j</artifactId>
-            <version>1.7.36</version>
+            <version>2.0.20</version>
           </dependency>
         </dependencies>
       </plugin>
diff --git a/bigtable-hbase-2.x-parent/bigtable-hbase-2.x-integration-tests/pom.xml b/bigtable-hbase-2.x-parent/bigtable-hbase-2.x-integration-tests/pom.xml
index 61e878142d..3c62b6a4fa 100644
--- a/bigtable-hbase-2.x-parent/bigtable-hbase-2.x-integration-tests/pom.xml
+++ b/bigtable-hbase-2.x-parent/bigtable-hbase-2.x-integration-tests/pom.xml
@@ -585,7 +585,7 @@ limitations under the License.
           <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>log4j-over-slf4j</artifactId>
-            <version>2.0.9</version>
+            <version>2.0.20</version>
           </dependency>
           <!-- TODO: Figure out why this is necessary -->
           <!-- minicluster has a hard undeclared dependency on junit? -->