diff --git a/glicid-tainted/packages/chemistry.scm b/glicid-tainted/packages/chemistry.scm
index 27c495c..09e4ae2 100644
--- a/glicid-tainted/packages/chemistry.scm
+++ b/glicid-tainted/packages/chemistry.scm
@@ -273,6 +273,25 @@ hwloc openmpi-glicid-waves openssh-sans-x ;; ssh is because openmpi use rsh and
  )
 )
 
+(define-public gromacs-upstream+cuda-v1-2205
+ (package
+  (inherit gromacs+cuda-v1)
+  (version "2022.5")
+  (name "gromacs-upstream+cuda-v1")
+  (source (origin
+              (method url-fetch)
+              (uri (string-append "http://ftp.gromacs.org/pub/gromacs/gromacs-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "08y233h7ajzjc63k7r8dabvckrmlwpim5y8jdklgz4xv4k2c6g08"))
+              ;; Our version of tinyxml2 is far newer than the bundled one and
+              ;; require fixing `testutils' code. See patch header for more info
+              (patches (search-patches "gromacs-tinyxml2.patch"))))
+
+ )
+)
+
 
 
 (define-public gromacs-upstream-2300
@@ -311,6 +330,24 @@ hwloc openmpi-glicid-waves openssh-sans-x ;; ssh is because openmpi use rsh and
  )
 )
 
+(define-public gromacs-upstream+cuda-v1-2300
+ (package
+  (inherit gromacs-upstream+cuda-v1-2205)
+  (version "2023")
+  (source (origin
+              (method url-fetch)
+              (uri (string-append "http://ftp.gromacs.org/pub/gromacs/gromacs-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "1a3vgckygd6gllnyvaydq721gkvfwmwxka6q9x0wmg7vfbdcd4mc"))
+              ;; Our version of tinyxml2 is far newer than the bundled one and
+              ;; require fixing `testutils' code. See patch header for more info
+              (patches (search-patches "gromacs-tinyxml2.patch"))))
+
+ )
+)
+
 
 (define-public gromacs-upstream+cuda-v2-2300
  (package