diff --git a/linkki-codeanalysis/pom.xml b/linkki-codeanalysis/pom.xml
index a8ae40994..c68cf77a9 100644
--- a/linkki-codeanalysis/pom.xml
+++ b/linkki-codeanalysis/pom.xml
@@ -38,7 +38,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>3.0.1</version>
+                    <version>3.2.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
diff --git a/pom.xml b/pom.xml
index 66d81e1c2..7d1246f6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -260,7 +260,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>3.0.1</version>
+                    <version>3.2.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
diff --git a/vaadin7/samples/pom.xml b/vaadin7/samples/pom.xml
index 2a83928f0..3ffde3f7f 100644
--- a/vaadin7/samples/pom.xml
+++ b/vaadin7/samples/pom.xml
@@ -131,7 +131,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.4</version>
+                    <version>3.2.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
diff --git a/vaadin8/samples/pom.xml b/vaadin8/samples/pom.xml
index 1afd894b0..a47e71728 100644
--- a/vaadin8/samples/pom.xml
+++ b/vaadin8/samples/pom.xml
@@ -154,7 +154,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.4</version>
+                    <version>3.2.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>