diff --git a/pkgs/development/coq-modules/ExtLib/default.nix b/pkgs/development/coq-modules/ExtLib/default.nix
index 398185396f3a..7d81235799e3 100644
--- a/pkgs/development/coq-modules/ExtLib/default.nix
+++ b/pkgs/development/coq-modules/ExtLib/default.nix
@@ -4,7 +4,7 @@ mkCoqDerivation rec {
   pname = "coq-ext-lib";
   inherit version;
   defaultVersion = with lib.versions; lib.switch coq.coq-version [
-    { case = range "8.14" "8.20"; out = "0.12.2"; }
+    { case = range "8.14" "8.20"; out = "0.13.0"; }
     { case = range "8.11" "8.19"; out = "0.12.0"; }
     { case = range "8.8" "8.16"; out = "0.11.6"; }
     { case = range "8.8" "8.14"; out = "0.11.4"; }
@@ -13,6 +13,7 @@ mkCoqDerivation rec {
     { case = "8.6";              out = "0.9.5"; }
     { case = "8.5";              out = "0.9.4"; }
   ] null;
+  release."0.13.0".sha256 = "sha256-vqVSu+nyGjRVXe2tnE6MPl0kcg4LHfgFwRCpTQAP/is=";
   release."0.12.2".sha256 = "sha256-lSTlbpkSuAY6B9cqofXSlDk2VchtqfZpRQ0+y/BAbEY=";
   release."0.12.1".sha256 = "sha256-YIHyiRUHPy/LGM2DMTRKRwP7j6OSBYKpu6wO2mZOubo=";
   release."0.12.0".sha256 = "sha256-9szpnWoS83bDc+iLqElfgz0LNRo9hSRQwUFIgpTca4c=";