diff --git a/.gitignore b/.gitignore
index b7c6beee06609e939e100c82e0745a8d32661572..3cde4d575dc5ceede4290298480ac31d0eb8875b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 target
-.flattened-pom.xml
 work
 
 # IntelliJ project files 
diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index db1d854113d1361cc67d6eba8055554eb1f2e414..510f24fbcd4ceb07716c0afc12607f35a02c2a78 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -2,6 +2,6 @@
   <extension>
     <groupId>io.jenkins.tools.incrementals</groupId>
     <artifactId>git-changelist-maven-extension</artifactId>
-    <version>1.0-beta-2</version>
+    <version>1.0-beta-3</version>
   </extension>
 </extensions>
diff --git a/pom.xml b/pom.xml
index 1b7c21443e24eaa545b9d086423627b1caf856b5..f2bc33d13d24067471a455c2c972851ae249e863 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci</groupId>
     <artifactId>jenkins</artifactId>
-    <version>1.44</version>
+    <version>1.45</version>
     <relativePath />
   </parent>
 
@@ -114,7 +114,7 @@ THE SOFTWARE.
     <!-- TODO: JENKINS-36716 - Switch to Medium once FindBugs is cleaned up, 430 issues on Mar 10, 2018 -->
     <findbugs.effort>Max</findbugs.effort>
     <findbugs.threshold>High</findbugs.threshold>
-    <findbugs.excludeFilterFile>../src/findbugs/findbugs-excludes.xml</findbugs.excludeFilterFile>
+    <findbugs.excludeFilterFile>${project.basedir}/../src/findbugs/findbugs-excludes.xml</findbugs.excludeFilterFile>
   </properties>
 
   <!-- Note that the 'repositories' and 'pluginRepositories' blocks below are actually copy-pasted