diff --git a/android/guava/src/com/google/common/hash/BloomFilter.java b/android/guava/src/com/google/common/hash/BloomFilter.java
index f041f70054d2..3ae6b68c2297 100644
--- a/android/guava/src/com/google/common/hash/BloomFilter.java
+++ b/android/guava/src/com/google/common/hash/BloomFilter.java
@@ -74,7 +74,7 @@ public final class BloomFilter<T extends @Nullable Object> implements Predicate<
    *
    * <p>Implementations should be collections of pure functions (i.e. stateless).
    */
-  interface Strategy extends Serializable {
+  interface Strategy extends java.io.Serializable {
 
     /**
      * Sets {@code numHashFunctions} bits of the given bit array, by hashing a user element.
diff --git a/android/pom.xml b/android/pom.xml
index 954ae146a293..62e50c22f10d 100644
--- a/android/pom.xml
+++ b/android/pom.xml
@@ -122,7 +122,7 @@
       <plugins>
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.8.1</version>
+          <version>3.13.0</version>
           <configuration>
             <source>1.8</source>
             <target>1.8</target>
@@ -176,7 +176,7 @@
             <dependency>
               <groupId>org.codehaus.plexus</groupId>
               <artifactId>plexus-io</artifactId>
-              <!-- DO NOT UPGRADE this past 3.4.1 until https://github.com/codehaus-plexus/plexus-io/issues/109 is fixed. -->
+              <!-- DO NOT UPGRADE this past 3.4.1 until https://github.com/codehaus-plexus/plexus-io/issues/109 is fixed (probably in 3.5.1). -->
               <version>3.4.1</version>
             </dependency>
           </dependencies>
@@ -219,7 +219,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.5.0</version>
+          <version>3.8.0</version>
           <configuration>
             <quiet>true</quiet>
             <notimestamp>true</notimestamp>
@@ -251,7 +251,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.7.2</version>
+          <version>3.3.1</version>
           <configuration>
             <includes>
               <include>${test.include}</include>
diff --git a/guava/src/com/google/common/hash/BloomFilter.java b/guava/src/com/google/common/hash/BloomFilter.java
index 3b041effb3c5..d9a1c53bee9e 100644
--- a/guava/src/com/google/common/hash/BloomFilter.java
+++ b/guava/src/com/google/common/hash/BloomFilter.java
@@ -75,7 +75,7 @@ public final class BloomFilter<T extends @Nullable Object> implements Predicate<
    *
    * <p>Implementations should be collections of pure functions (i.e. stateless).
    */
-  interface Strategy extends Serializable {
+  interface Strategy extends java.io.Serializable {
 
     /**
      * Sets {@code numHashFunctions} bits of the given bit array, by hashing a user element.
diff --git a/pom.xml b/pom.xml
index 7e634f7a644e..b0ebe218cfdc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,7 +123,7 @@
       <plugins>
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.8.1</version>
+          <version>3.13.0</version>
           <configuration>
             <source>1.8</source>
             <target>1.8</target>
@@ -177,7 +177,7 @@
             <dependency>
               <groupId>org.codehaus.plexus</groupId>
               <artifactId>plexus-io</artifactId>
-              <!-- DO NOT UPGRADE this past 3.4.1 until https://github.com/codehaus-plexus/plexus-io/issues/109 is fixed. -->
+              <!-- DO NOT UPGRADE this past 3.4.1 until https://github.com/codehaus-plexus/plexus-io/issues/109 is fixed (probably in 3.5.1). -->
               <version>3.4.1</version>
             </dependency>
           </dependencies>
@@ -214,7 +214,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.5.0</version>
+          <version>3.8.0</version>
           <configuration>
             <quiet>true</quiet>
             <notimestamp>true</notimestamp>
@@ -246,7 +246,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.7.2</version>
+          <version>3.3.1</version>
           <configuration>
             <includes>
               <include>${test.include}</include>