diff --git a/Android.gitignore b/Android.gitignore
index e5cbb641..5f847df7 100644
--- a/Android.gitignore
+++ b/Android.gitignore
@@ -32,3 +32,6 @@ google-services.json
 
 # Android Profiling
 *.hprof
+
+# Kotlin Gradle plugin data, see https://kotlinlang.org/docs/whatsnew20.html#new-directory-for-kotlin-data-in-gradle-projects
+.kotlin/
\ No newline at end of file
diff --git a/Gradle.gitignore b/Gradle.gitignore
index 296d3f00..808fbab5 100644
--- a/Gradle.gitignore
+++ b/Gradle.gitignore
@@ -19,3 +19,6 @@ gradle-app.setting
 .project
 # JDT-specific (Eclipse Java Development Tools)
 .classpath
+
+# Kotlin Gradle plugin data, see https://kotlinlang.org/docs/whatsnew20.html#new-directory-for-kotlin-data-in-gradle-projects
+.kotlin/
\ No newline at end of file
diff --git a/Java.gitignore b/Java.gitignore
index 524f0963..23919894 100644
--- a/Java.gitignore
+++ b/Java.gitignore
@@ -22,3 +22,6 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 replay_pid*
+
+# Kotlin
+.kotlin/
\ No newline at end of file