diff --git a/glicid/packages/mpi.scm b/glicid/packages/mpi.scm
index cb6f8ec..8b923d5 100644
--- a/glicid/packages/mpi.scm
+++ b/glicid/packages/mpi.scm
@@ -106,19 +106,33 @@
  (package 
   (inherit gnu:openmpi)
   (version (string-append (package-version openmpi-latest) "-glicid" ))
- 
+
  (inputs `(
-;            ("ucx",ucx-latest) ;; should be latest beetween guix and glicid
-            ("rdma-core",rdma-core-latest) ;; should be latest beetween guix and glicid
-            ("libfabric",libfabric-latest)
-            ("slurm-glicid@20.02",slurm-20.02-glicid)
+  (package-input-rewriting `(
+                             (,slurm . ,slurm-20.02.6) ;; we need this for glicid
+                            ))         
                   ,@(package-inputs openmpi-latest)))
  )
 )
 
 
-(define openmpi-glicid-transform-gcc-10
- (gcc10-instead-of-gcc openmpi-glicid))
+(define-public openmpi-glicid-with-newer-rdma-core
+ (package 
+  (inherit openmpi-glicid)
+  (version (string-append (package-version openmpi-glicid) "-with-newer-rdma-core" ))
+ 
+ (inputs `(
+    (package-input-rewriting `(
+                             (,rdma-core . ,rdma-core-latest) ;; we need this for glicid
+                            ))         
+
+                  ,@(package-inputs openmpi-glicid)))
+ )
+)
+
+
+;(define openmpi-glicid-transform-gcc-10
+; (gcc10-instead-of-gcc openmpi-glicid))
 
 (define openmpi-glicid-transform-gcc-11 
  (gcc11-instead-of-gcc openmpi-glicid))
@@ -130,12 +144,12 @@
  )
 )
 
-(define-public openmpi-glicid-gcc-10
- (package 
-  (inherit openmpi-glicid-transform-gcc-10)
-  (version (string-append (package-version openmpi-glicid-transform-gcc-10) "-gcc-10" ))
- )
-)
+;(define-public openmpi-glicid-gcc-10
+; (package 
+;  (inherit openmpi-glicid-transform-gcc-10)
+;  (version (string-append (package-version openmpi-glicid-transform-gcc-10) "-gcc-10" ))
+; )
+;)