diff --git a/dev/deps/spark-deps-hadoop-2.7-hive-2.3 b/dev/deps/spark-deps-hadoop-2.7-hive-2.3
index 0a83bc0022..e55782d1f5 100644
--- a/dev/deps/spark-deps-hadoop-2.7-hive-2.3
+++ b/dev/deps/spark-deps-hadoop-2.7-hive-2.3
@@ -212,10 +212,10 @@ py4j/0.10.9.2//py4j-0.10.9.2.jar
 pyrolite/4.30//pyrolite-4.30.jar
 rocksdbjni/6.20.3//rocksdbjni-6.20.3.jar
 scala-collection-compat_2.12/2.1.1//scala-collection-compat_2.12-2.1.1.jar
-scala-compiler/2.12.14//scala-compiler-2.12.14.jar
-scala-library/2.12.14//scala-library-2.12.14.jar
+scala-compiler/2.12.15//scala-compiler-2.12.15.jar
+scala-library/2.12.15//scala-library-2.12.15.jar
 scala-parser-combinators_2.12/1.1.2//scala-parser-combinators_2.12-1.1.2.jar
-scala-reflect/2.12.14//scala-reflect-2.12.14.jar
+scala-reflect/2.12.15//scala-reflect-2.12.15.jar
 scala-xml_2.12/1.2.0//scala-xml_2.12-1.2.0.jar
 shapeless_2.12/2.3.3//shapeless_2.12-2.3.3.jar
 shims/0.9.0//shims-0.9.0.jar
diff --git a/dev/deps/spark-deps-hadoop-3.2-hive-2.3 b/dev/deps/spark-deps-hadoop-3.2-hive-2.3
index 30c901b3c3..b49998ed61 100644
--- a/dev/deps/spark-deps-hadoop-3.2-hive-2.3
+++ b/dev/deps/spark-deps-hadoop-3.2-hive-2.3
@@ -183,10 +183,10 @@ py4j/0.10.9.2//py4j-0.10.9.2.jar
 pyrolite/4.30//pyrolite-4.30.jar
 rocksdbjni/6.20.3//rocksdbjni-6.20.3.jar
 scala-collection-compat_2.12/2.1.1//scala-collection-compat_2.12-2.1.1.jar
-scala-compiler/2.12.14//scala-compiler-2.12.14.jar
-scala-library/2.12.14//scala-library-2.12.14.jar
+scala-compiler/2.12.15//scala-compiler-2.12.15.jar
+scala-library/2.12.15//scala-library-2.12.15.jar
 scala-parser-combinators_2.12/1.1.2//scala-parser-combinators_2.12-1.1.2.jar
-scala-reflect/2.12.14//scala-reflect-2.12.14.jar
+scala-reflect/2.12.15//scala-reflect-2.12.15.jar
 scala-xml_2.12/1.2.0//scala-xml_2.12-1.2.0.jar
 shapeless_2.12/2.3.3//shapeless_2.12-2.3.3.jar
 shims/0.9.0//shims-0.9.0.jar
diff --git a/pom.xml b/pom.xml
index 7b472cd616..e1503fef23 100644
--- a/pom.xml
+++ b/pom.xml
@@ -160,7 +160,7 @@
     <commons.math3.version>3.4.1</commons.math3.version>
     <!-- managed up from 3.2.1 for SPARK-11652 -->
     <commons.collections.version>3.2.2</commons.collections.version>
-    <scala.version>2.12.14</scala.version>
+    <scala.version>2.12.15</scala.version>
     <scala.binary.version>2.12</scala.binary.version>
     <scalatest-maven-plugin.version>2.0.2</scalatest-maven-plugin.version>
     <scalafmt.parameters>--test</scalafmt.parameters>
@@ -2648,7 +2648,7 @@
               <compilerPlugin>
                 <groupId>com.github.ghik</groupId>
                 <artifactId>silencer-plugin_${scala.version}</artifactId>
-                <version>1.7.5</version>
+                <version>1.7.6</version>
               </compilerPlugin>
             </compilerPlugins>
           </configuration>
diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala
index 2f82b1ce9c..b9068cc95b 100644
--- a/project/SparkBuild.scala
+++ b/project/SparkBuild.scala
@@ -208,7 +208,7 @@ object SparkBuild extends PomBuild {
   lazy val compilerWarningSettings: Seq[sbt.Def.Setting[_]] = Seq(
     libraryDependencies ++= {
       if (VersionNumber(scalaVersion.value).matchesSemVer(SemanticSelector("<2.13.2"))) {
-        val silencerVersion = "1.7.5"
+        val silencerVersion = "1.7.6"
         Seq(
           "org.scala-lang.modules" %% "scala-collection-compat" % "2.2.0",
           compilerPlugin("com.github.ghik" % "silencer-plugin" % silencerVersion cross CrossVersion.full),