diff --git a/dev/deps/spark-deps-hadoop-2.7 b/dev/deps/spark-deps-hadoop-2.7
index ec7c304c9e36b..e018d6c2efaa0 100644
--- a/dev/deps/spark-deps-hadoop-2.7
+++ b/dev/deps/spark-deps-hadoop-2.7
@@ -171,10 +171,10 @@ parquet-jackson-1.10.0.jar
protobuf-java-2.5.0.jar
py4j-0.10.8.1.jar
pyrolite-4.13.jar
-scala-compiler-2.12.7.jar
-scala-library-2.12.7.jar
+scala-compiler-2.12.8.jar
+scala-library-2.12.8.jar
scala-parser-combinators_2.12-1.1.0.jar
-scala-reflect-2.12.7.jar
+scala-reflect-2.12.8.jar
scala-xml_2.12-1.0.5.jar
shapeless_2.12-2.3.2.jar
slf4j-api-1.7.16.jar
diff --git a/dev/deps/spark-deps-hadoop-3.1 b/dev/deps/spark-deps-hadoop-3.1
index 811febf22940d..af7d4245528f2 100644
--- a/dev/deps/spark-deps-hadoop-3.1
+++ b/dev/deps/spark-deps-hadoop-3.1
@@ -189,10 +189,10 @@ protobuf-java-2.5.0.jar
py4j-0.10.8.1.jar
pyrolite-4.13.jar
re2j-1.1.jar
-scala-compiler-2.12.7.jar
-scala-library-2.12.7.jar
+scala-compiler-2.12.8.jar
+scala-library-2.12.8.jar
scala-parser-combinators_2.12-1.1.0.jar
-scala-reflect-2.12.7.jar
+scala-reflect-2.12.8.jar
scala-xml_2.12-1.0.5.jar
shapeless_2.12-2.3.2.jar
slf4j-api-1.7.16.jar
diff --git a/docs/_config.yml b/docs/_config.yml
index 649d18bf72b57..146c90fcff6e5 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -17,7 +17,7 @@ include:
SPARK_VERSION: 3.0.0-SNAPSHOT
SPARK_VERSION_SHORT: 3.0.0
SCALA_BINARY_VERSION: "2.12"
-SCALA_VERSION: "2.12.7"
+SCALA_VERSION: "2.12.8"
MESOS_VERSION: 1.0.0
SPARK_ISSUE_TRACKER_URL: https://issues.apache.org/jira/browse/SPARK
SPARK_GITHUB_URL: https://github.com/apache/spark
diff --git a/pom.xml b/pom.xml
index 61321a1450708..07cb93a0329f6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -156,7 +156,7 @@
3.4.1
3.2.2
- 2.12.7
+ 2.12.8
2.12
--diff --test