diff --git a/Objective-C.gitignore b/Objective-C.gitignore
index fba17246729855780bef7ee7b516fcb2a90b26dc..b15babe725a80bff5a7445e0a6742077e8e5ef9e 100644
--- a/Objective-C.gitignore
+++ b/Objective-C.gitignore
@@ -41,3 +41,11 @@ xcuserdata
 # Carthage/Checkouts
 
 Carthage/Build
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 
+# screenshots whenever they are needed.
+
+fastlane/report.xml
+fastlane/screenshots
diff --git a/Swift.gitignore b/Swift.gitignore
index fba17246729855780bef7ee7b516fcb2a90b26dc..b15babe725a80bff5a7445e0a6742077e8e5ef9e 100644
--- a/Swift.gitignore
+++ b/Swift.gitignore
@@ -41,3 +41,11 @@ xcuserdata
 # Carthage/Checkouts
 
 Carthage/Build
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 
+# screenshots whenever they are needed.
+
+fastlane/report.xml
+fastlane/screenshots