diff --git a/.travis.yml b/.travis.yml
index 141762cc8..cc3c2a430 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,9 @@ addons:
   postgresql: "9.6"
 services:
   - docker
+before_install:
+  - mkdir -p $HOME/m2
+  - cp travis/maven_settings.xml $HOME/.m2/settings.xml
 before_script:
   - export SPRING_PROFILES_ACTIVE=nflow.db.$DB
   - ./travis/setup-db-$DB.sh
@@ -31,6 +34,6 @@ after_success:
   - mvn jacoco:report coveralls:report
 cache:
   directories:
-  - $HOME/.m2
+  - $HOME/.m2/repository
 sudo: false
 
diff --git a/pom.xml b/pom.xml
index 28acd3c2b..772196ff2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,8 +107,7 @@
     <core-utils.version>1.4</core-utils.version>
     <coveralls.version>4.3.0</coveralls.version>
     <el.version>3.0.0</el.version>
-    <!-- 1.9.1 is not yet found from the mirror used by Travis -->
-    <frontend-maven.version>1.9.0</frontend-maven.version>
+    <frontend-maven.version>1.9.1</frontend-maven.version>
     <h2.version>1.4.200</h2.version>
     <hamcrest.version>2.2</hamcrest.version>
     <hibernate.validator.version>6.1.2.Final</hibernate.validator.version>
@@ -134,22 +133,22 @@
     <maven-asciidoctor.version>2.0.0-RC.1</maven-asciidoctor.version>
     <maven-clean.version>3.1.0</maven-clean.version>
     <maven-compiler.version>3.8.1</maven-compiler.version>
-    <maven-dependency.version>3.1.1</maven-dependency.version>
+    <maven-dependency.version>3.1.2</maven-dependency.version>
     <maven-deploy.version>3.0.0-M1</maven-deploy.version>
-    <maven-download.version>1.4.2</maven-download.version>
+    <maven-download.version>1.5.1</maven-download.version>
     <maven-eclipse.version>2.10</maven-eclipse.version>
     <maven-enforcer.version>3.0.0-M3</maven-enforcer.version>
     <maven-gpg.version>1.6</maven-gpg.version>
     <maven-install.version>3.0.0-M1</maven-install.version>
     <maven-jacoco.version>0.8.5</maven-jacoco.version>
     <maven-jar.version>3.2.0</maven-jar.version>
-    <maven-javadoc.version>3.1.1</maven-javadoc.version>
+    <maven-javadoc.version>3.2.0</maven-javadoc.version>
     <maven-jxr.version>3.0.0</maven-jxr.version>
     <maven-pmd.version>3.13.0</maven-pmd.version>
     <maven-project-info.version>3.0.0</maven-project-info.version>
     <maven-release.version>3.0.0-M1</maven-release.version>
     <maven-resources.version>3.1.0</maven-resources.version>
-    <maven-shade.version>3.2.1</maven-shade.version>
+    <maven-shade.version>3.2.2</maven-shade.version>
     <maven-site.version>3.9.0</maven-site.version>
     <maven-source.version>3.2.1</maven-source.version>
     <maven-surefire.version>3.0.0-M4</maven-surefire.version>
diff --git a/travis/maven_settings.xml b/travis/maven_settings.xml
new file mode 100644
index 000000000..352b062e2
--- /dev/null
+++ b/travis/maven_settings.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <mirrors>
+    <mirror>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <mirrorOf>central</mirrorOf>
+      <url>https://repo1.maven.org/maven2/</url>
+    </mirror>
+  </mirrors>
+</settings>