diff --git a/pkgs/development/coq-modules/VST/default.nix b/pkgs/development/coq-modules/VST/default.nix
index b726a81c24c9..8a4243a87043 100644
--- a/pkgs/development/coq-modules/VST/default.nix
+++ b/pkgs/development/coq-modules/VST/default.nix
@@ -25,10 +25,12 @@ mkCoqDerivation {
   repo = "VST";
   inherit version;
   defaultVersion = with versions; switch coq.coq-version [
+    { case = range "8.15" "8.16"; out = "2.11.1"; }
     { case = range "8.14" "8.16"; out = "2.10"; }
     { case = range "8.13" "8.15"; out = "2.9"; }
     { case = range "8.12" "8.13"; out = "2.8"; }
   ] null;
+  release."2.11.1".sha256 = "sha256-unpNstZBnRT4dIqAYOv9n1J0tWJMeRuaaa2RG1U0Xs0=";
   release."2.10".sha256 = "sha256-RIxfPWoHnV1CFkpxCusoGY/LIk07TgC7wWGRP4BSq8w=";
   release."2.9".sha256 = "sha256:1adwzbl1pprrrwrm7cm493098fizxanxpv7nyfbvwdhgbhcnv6qf";
   release."2.8".sha256 = "sha256-cyK88uzorRfjapNQ6XgQEmlbWnDsiyLve5po1VG52q0=";