diff --git a/initializr-generator/src/main/resources/templates/gitignore.tmpl b/initializr-generator/src/main/resources/templates/gitignore.tmpl
index 15314da0..0744d45d 100644
--- a/initializr-generator/src/main/resources/templates/gitignore.tmpl
+++ b/initializr-generator/src/main/resources/templates/gitignore.tmpl
@@ -4,6 +4,7 @@
 !gradle/wrapper/gradle-wrapper.jar<% } %>
 
 ### STS ###
+.apt_generated
 .classpath
 .factorypath
 .project
diff --git a/initializr-generator/src/test/resources/project/gradle/gitignore.gen b/initializr-generator/src/test/resources/project/gradle/gitignore.gen
index b5c575a8..c9f70104 100644
--- a/initializr-generator/src/test/resources/project/gradle/gitignore.gen
+++ b/initializr-generator/src/test/resources/project/gradle/gitignore.gen
@@ -3,6 +3,7 @@
 !gradle/wrapper/gradle-wrapper.jar
 
 ### STS ###
+.apt_generated
 .classpath
 .factorypath
 .project
diff --git a/initializr-generator/src/test/resources/project/maven/gitignore.gen b/initializr-generator/src/test/resources/project/maven/gitignore.gen
index 1de38d18..2af7cefb 100644
--- a/initializr-generator/src/test/resources/project/maven/gitignore.gen
+++ b/initializr-generator/src/test/resources/project/maven/gitignore.gen
@@ -2,6 +2,7 @@ target/
 !.mvn/wrapper/maven-wrapper.jar
 
 ### STS ###
+.apt_generated
 .classpath
 .factorypath
 .project