diff --git a/gnu/packages/rust-crates.scm b/gnu/packages/rust-crates.scm
index 5573e0a21b3..2d7a55e72a0 100644
--- a/gnu/packages/rust-crates.scm
+++ b/gnu/packages/rust-crates.scm
@@ -5820,6 +5820,10 @@
                 "1n2a9hsi1vw2qlqbl7v101dfp12hhsajjmk44r7pq4rf5f4ad9c8"
                 #:snippet '(delete-file-recursively "docs")))
 
+(define rust-flo-curves-0.3.1
+  (crate-source "flo_curves" "0.3.1"
+                "16x293dp8825jh465kgms4yyvl4960j26gh37h3skflq9zxpy8hw"))
+
 (define rust-float-cmp-0.10.0
   (crate-source "float-cmp" "0.10.0"
                 "1n760i3nxd2x0zc7fkxkg3vhvdyfbvzngna006cl9s9jacaz775h"))