diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.2-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.2-2023a.yml
index 920582fabf..fa054549ee 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.2-2023a.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.2-2023a.yml
@@ -7,3 +7,4 @@ easyconfigs:
         from-commit: 3f59104cfd0aeedc261e2bf7ca18b8ae5efdca0a 
   - ESMF-8.6.0-foss-2023a.eb
   - xESMF-0.8.6-foss-2023a.eb
+  - matplotlib-2.2.5-foss-2023a-Python-2.7.18.eb