diff --git a/README.md b/README.md
index dab083a..0a4105d 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ The converter application runs on a directory and recursively scans for the foll
  * .java, .groovy, .scala, .kt, .rb, .clj
  * .xml (Ant, Ivy, Maven)
  * .gradle (Gradle)
+ * .iml (IntelliJ)
 
 1. Update GS Collections to 7.0
 -------------------------------
diff --git a/src/main/java/org/eclipse/collections/tools/Converter.java b/src/main/java/org/eclipse/collections/tools/Converter.java
index 05a0948..bd2d536 100644
--- a/src/main/java/org/eclipse/collections/tools/Converter.java
+++ b/src/main/java/org/eclipse/collections/tools/Converter.java
@@ -28,7 +28,7 @@
 
 public class Converter
 {
-    private static final ImmutableList<String> FILE_SCOPE = Lists.immutable.of(".java", ".xml", "gradle", ".groovy", ".scala", ".kt", ".rb", ".clj");
+    private static final ImmutableList<String> FILE_SCOPE = Lists.immutable.of(".java", ".xml", "gradle", ".groovy", ".scala", ".kt", ".rb", ".clj", ".iml");
     private static final ImmutableMap<String, String> CONVERSION_MAP = Maps.immutable.with(
             "com\\.gs\\.collections", "org\\.eclipse\\.collections",
             "com\\.goldmansachs", "org\\.eclipse\\.collections",