diff --git a/.gitignore b/.gitignore
index 0cb1e03..68d362f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,16 @@
-target/
-pom.xml.tag
-pom.xml.releaseBackup
-pom.xml.versionsBackup
-pom.xml.next
-release.properties
-dependency-reduced-pom.xml
-buildNumber.properties
-.mvn/timing.properties
-# https://github.com/takari/maven-wrapper#usage-without-binary-jar
-.mvn/wrapper/maven-wrapper.jar
-
-# IDE
-.idea/
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# IDE
+.idea/
+/.classpath
+/.project
diff --git a/.settings/.gitignore b/.settings/.gitignore
new file mode 100644
index 0000000..f80ee1c
--- /dev/null
+++ b/.settings/.gitignore
@@ -0,0 +1,3 @@
+/org.eclipse.jdt.core.prefs
+/org.eclipse.core.resources.prefs
+/org.eclipse.m2e.core.prefs