diff --git a/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.0.0.xml b/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
index f971118ce4..ff7738614f 100644
--- a/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
+++ b/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
@@ -26,7 +26,8 @@ under the License.
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <project.build.outputTimestamp>2001-01-01T00:00:00Z</project.build.outputTimestamp>
+    <!-- Fixed date for reproducible build -->
+    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
   </properties>
 
   <build>
diff --git a/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.1.0.xml b/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
index f971118ce4..ff7738614f 100644
--- a/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
+++ b/maven-api-impl/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
@@ -26,7 +26,8 @@ under the License.
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <project.build.outputTimestamp>2001-01-01T00:00:00Z</project.build.outputTimestamp>
+    <!-- Fixed date for reproducible build -->
+    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
   </properties>
 
   <build>
diff --git a/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java b/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
index a728257881..5cc27d2313 100644
--- a/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
+++ b/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
@@ -1355,7 +1355,7 @@ class PomConstructionTest {
         assertEquals("project-property", pom.getValue("properties[1]/itProperty"));
         assertEquals("UTF-8", pom.getValue("properties[1]/project.build.sourceEncoding"));
         assertEquals("UTF-8", pom.getValue("properties[1]/project.reporting.outputEncoding"));
-        assertEquals("2001-01-01T00:00:00Z", pom.getValue("properties[1]/project.build.outputTimestamp"));
+        assertEquals("1980-02-01T00:00:00Z", pom.getValue("properties[1]/project.build.outputTimestamp"));
 
         assertEquals(1, ((List<?>) pom.getValue("dependencyManagement/dependencies")).size());
         assertEquals("org.apache.maven.its", pom.getValue("dependencyManagement/dependencies[1]/groupId"));
diff --git a/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.0.0.xml b/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
index f971118ce4..ff7738614f 100644
--- a/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
+++ b/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.0.0.xml
@@ -26,7 +26,8 @@ under the License.
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <project.build.outputTimestamp>2001-01-01T00:00:00Z</project.build.outputTimestamp>
+    <!-- Fixed date for reproducible build -->
+    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
   </properties>
 
   <build>
diff --git a/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.1.0.xml b/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
index f971118ce4..ff7738614f 100644
--- a/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
+++ b/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.1.0.xml
@@ -26,7 +26,8 @@ under the License.
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <project.build.outputTimestamp>2001-01-01T00:00:00Z</project.build.outputTimestamp>
+    <!-- Fixed date for reproducible build -->
+    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
   </properties>
 
   <build>