diff --git a/glicid/packages/science.scm b/glicid/packages/science.scm
index 3ce1175..21cb531 100644
--- a/glicid/packages/science.scm
+++ b/glicid/packages/science.scm
@@ -52,7 +52,7 @@
 
 ;; was commented out… guix repl is ok… so uncomment right now
 
-(define-public yade
+(define-public yade-2022.01a
   (package
     (name "yade")
     (version "2022.01a")
@@ -131,6 +131,22 @@
     (home-page "https://www.yade-dem.org/")
     (license gpl3+)))
 
+(define-public yade-2023.02a
+ (package
+  (inherit yade-2022.01a)
+  (version "2023.02a")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://gitlab.com/yade-dev/trunk/-/archive/2023.02a/trunk-"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0kaa5ni3n1ih4nvhm17jj2xa0lvn12nzd9gkghch4zdd6gilli5r"))))))
+
+
+(define-public yade yade-2022.01a)
+
 (define-public yade-glicid-waves
   (package
     (inherit (transform-package ((instead-of "openmpi-glicid-waves" openmpi)