diff --git a/fastrtps.repos b/fastrtps.repos
index 9cd4f129909..e62b57845dd 100644
--- a/fastrtps.repos
+++ b/fastrtps.repos
@@ -6,7 +6,7 @@ repositories:
     fastcdr:
         type: git
         url: https://github.com/eProsima/Fast-CDR.git
-        version: v2.1.0
+        version: 2.1.x
     fastrtps:
         type: git
         url: https://github.com/eProsima/Fast-DDS.git
@@ -14,8 +14,4 @@ repositories:
     fastddsgen:
         type: git
         url: https://github.com/eProsima/Fast-DDS-Gen.git
-        version: v3.1.0
-    fastddsgen/thirdparty/idl-parser:
-        type: git
-        url: https://github.com/eProsima/IDL-Parser.git
-        version: v2.0.0
+        version: 3.1.x