diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 6d4d729738..89d524fe75 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -1540,6 +1540,9 @@ also includes the druntime and phobos libraries."
 (define-public gdc-11
   (make-gdc gcc-11 #:frontend-version "2.076.2"))
 
+(define-public gdc-12
+  (make-gdc gcc-12 gdc-11 #:frontend-version "2.100.2"))
+
 (define-public gdc-14
   (make-gdc gcc-14 gdc-11 #:frontend-version "2.108.1"))