diff --git a/gnu/packages/glicid.scm b/gnu/packages/glicid.scm
index 41e10a7..8f32d47 100644
--- a/gnu/packages/glicid.scm
+++ b/gnu/packages/glicid.scm
@@ -465,10 +465,10 @@ in the @code{debug} output), and binutils.")))
   )
 )
 
-(define-public glicid-ucx-gcc-11
+(define-public glicid-ucx-gcc-10
  (package
   (inherit ucx)
-  (name "glicid-ucx-gcc-11")
+  (name "glicid-ucx-gcc-10")
   (version "1.9.0")
   (source 
    (origin
@@ -477,8 +477,8 @@ in the @code{debug} output), and binutils.")))
     (sha256 (base32 "1yrmwvjxi3najax1wz4irpzxns6cp74ksdx4i1049mf03n2ci8m7"))
    ))
 
-  (inputs `(("gcc-11", gcc-11)
-            ("gfortran-11", gfortran-11)
+  (inputs `(("gcc-10", gcc-10)
+            ("gfortran-10", gfortran-10)
                   ,@(package-inputs ucx)))
   )
 )
@@ -647,6 +647,27 @@ in the @code{debug} output), and binutils.")))
   )
 )
 
+(define-public glicid-specific-ucx-gcc-10
+ (package
+  (inherit ucx)
+  (name "glicid-specific-ucx-gcc-10")
+  (version "1.9.0")
+  (source 
+   (origin
+    (method url-fetch)
+    (uri (string-append "https://github.com/openucx/ucx/releases/download/v" version "/ucx-" version ".tar.gz" ))
+    (sha256 (base32 "1yrmwvjxi3najax1wz4irpzxns6cp74ksdx4i1049mf03n2ci8m7"))
+   ))
+
+  (inputs `(("gcc", gcc-10)
+            ("gfortran", gfortran-10)
+            ("libfabric", glicid-specific-libfabric-gcc-11)
+            ("rdma-core",glicid-specific-rdma-core-gcc-11)
+
+                  ,@(package-inputs ucx)))
+  )
+)
+
 
 (define-public glicid-specific-openmpi-gcc-11
   (package
@@ -665,7 +686,7 @@ in the @code{debug} output), and binutils.")))
  (package
   (inherit glicid-intel-mpi-benchmarks)
   (name "glicid-specific-intel-mpi-benchmarks")
-  (inputs `(("openmpi", glicid-specific-openmpi-gcc-11)
+  (inputs `(("openmpi", glicid-specific-openmpi-gcc-10)
             ("gcc",gcc-11)  
                   ,@(package-inputs glicid-intel-mpi-benchmarks)))
   )