diff --git a/released/packages/coq-huffman/coq-huffman.8.16.0/opam b/released/packages/coq-huffman/coq-huffman.8.16.0/opam
index 5996298100..fa79034c94 100644
--- a/released/packages/coq-huffman/coq-huffman.8.16.0/opam
+++ b/released/packages/coq-huffman/coq-huffman.8.16.0/opam
@@ -16,7 +16,7 @@ Codes, Proc. IRE, pp. 1098-1101, September 1952."""
 build: [make "-j%{jobs}%"]
 install: [make "install"]
 depends: [
-  "coq" {>= "8.12" & < "8.20"}
+  "coq" {>= "8.12" & < "8.21"}
 ]
 
 tags: [