diff --git a/CHANGES.txt b/CHANGES.txt
index 8e60deb75a..4e73721432 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 3.11.13
+ * Upgrade slf4j to 1.7.25
  * emit warning on keyspace creation when replication factor is bigger than the number of nodes (CASSANDRA-16747)
  * Fix snapshot true size calculation (CASSANDRA-17267)
  * Validate existence of DCs when repairing (CASSANDRA-17407)
diff --git a/build.xml b/build.xml
index de1e9d2b05..b7031316fe 100644
--- a/build.xml
+++ b/build.xml
@@ -357,9 +357,9 @@
           <dependency groupId="org.antlr" artifactId="antlr-runtime" version="3.5.2">
             <exclusion groupId="org.antlr" artifactId="stringtemplate"/>
           </dependency>
-          <dependency groupId="org.slf4j" artifactId="slf4j-api" version="1.7.7"/>
-          <dependency groupId="org.slf4j" artifactId="log4j-over-slf4j" version="1.7.7"/>
-          <dependency groupId="org.slf4j" artifactId="jcl-over-slf4j" version="1.7.7" />
+          <dependency groupId="org.slf4j" artifactId="slf4j-api" version="1.7.25"/>
+          <dependency groupId="org.slf4j" artifactId="log4j-over-slf4j" version="1.7.25"/>
+          <dependency groupId="org.slf4j" artifactId="jcl-over-slf4j" version="1.7.25" />
           <dependency groupId="ch.qos.logback" artifactId="logback-core" version="1.2.9"/>
           <dependency groupId="ch.qos.logback" artifactId="logback-classic" version="1.2.9"/>
           <dependency groupId="com.fasterxml.jackson.core" artifactId="jackson-core" version="2.12.5"/>
diff --git a/test/unit/org/apache/cassandra/utils/NoSpamLoggerTest.java b/test/unit/org/apache/cassandra/utils/NoSpamLoggerTest.java
index 702fa986d6..fe5d58e7e6 100644
--- a/test/unit/org/apache/cassandra/utils/NoSpamLoggerTest.java
+++ b/test/unit/org/apache/cassandra/utils/NoSpamLoggerTest.java
@@ -39,7 +39,7 @@ public class NoSpamLoggerTest
 {
     Map<Level, Queue<Pair<String, Object[]>>> logged = new HashMap<>();
 
-   Logger mock = new SubstituteLogger(null)
+   Logger mock = new SubstituteLogger(null, null, true)
    {
 
        @Override