diff --git a/env/sles15/x86_64/sysconfigs/compilers.yaml b/env/sles15/x86_64/sysconfigs/compilers.yaml
index 2b2ecfa..cabc987 100644
--- a/env/sles15/x86_64/sysconfigs/compilers.yaml
+++ b/env/sles15/x86_64/sysconfigs/compilers.yaml
@@ -41,3 +41,17 @@ compilers:
       - libfabric/1.15.2.0
       environment: {}
       extra_rpaths: []
+- compiler:
+      spec: gcc@=9.5.0
+      paths:
+        cc: /afs/psi.ch/sys/spack/0.23.0/opt/spack/unstable/linux-sles15-x86_64/gcc-7.5.0/gcc-9.5.0-ow3yhuibzp7u753hyh5xngfgegxgijxp/bin/gcc
+        cxx: /afs/psi.ch/sys/spack/0.23.0/opt/spack/unstable/linux-sles15-x86_64/gcc-7.5.0/gcc-9.5.0-ow3yhuibzp7u753hyh5xngfgegxgijxp/bin/g++
+        f77: /afs/psi.ch/sys/spack/0.23.0/opt/spack/unstable/linux-sles15-x86_64/gcc-7.5.0/gcc-9.5.0-ow3yhuibzp7u753hyh5xngfgegxgijxp/bin/gfortran
+        fc: /afs/psi.ch/sys/spack/0.23.0/opt/spack/unstable/linux-sles15-x86_64/gcc-7.5.0/gcc-9.5.0-ow3yhuibzp7u753hyh5xngfgegxgijxp/bin/gfortran
+      flags: {}
+      operating_system: sles15
+      target: x86_64
+      modules:
+      - libfabric/1.15.2.0
+      environment: {}
+      extra_rpaths: []