diff --git a/glicid/packages/linux.scm b/glicid/packages/linux.scm
index 1c809d6..4492c07 100644
--- a/glicid/packages/linux.scm
+++ b/glicid/packages/linux.scm
@@ -95,8 +95,23 @@
   )
 )
 
+(define-public rdma-core-upstream-42.1
+  (package
+    (inherit gnu:rdma-core)
+    (name (string-append (package-name gnu:rdma-core) "-upstream" ))
+    (version "42.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "https://github.com/linux-rdma/rdma-core/releases/download/v" version "/rdma-core-" version ".tar.gz"))
+        (sha256 (base32 "02xjksnm71aak215f9262c2qbs77n4yc856ra6dlcfblciqk1cxp"))
+      )
+    )   
+  )
+)
 
-(define local-rdma-core rdma-core-upstream-42.0)
+
+(define local-rdma-core rdma-core-upstream-42.1)
 
 (define-public rdma-core-latest (latest-version local-rdma-core gnu:rdma-core))