diff --git a/.gitignore b/.gitignore
index 9aef2a5bca6..52e2f752afd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,6 +57,7 @@ build/
 .idea/artifacts/kotlin_stdlib_js_ir_*
 .idea/artifacts/kotlin_test_js_ir_*
 .idea/artifacts/kotlin_stdlib_wasm_*
+.idea/artifacts/kotlinx_atomicfu_runtime_*
 .idea/jarRepositories.xml
 .idea/csv-plugin.xml
 .idea/libraries-with-intellij-classes.xml