diff --git a/pkgs/development/libraries/science/biology/htslib/default.nix b/pkgs/development/libraries/science/biology/htslib/default.nix
index a3b35d55c9e8..bf9233d3050e 100644
--- a/pkgs/development/libraries/science/biology/htslib/default.nix
+++ b/pkgs/development/libraries/science/biology/htslib/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "htslib";
-  version = "1.17";
+  version = "1.18";
 
   src = fetchurl {
     url = "https://github.com/samtools/htslib/releases/download/${version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-djd5KIxA8HZG7HrZi5bDeMc5Fx0WKtmDmIaHg7chg58";
+    sha256 = "sha256-8atTpZOiMgob+t9O+RXa54QAbFtckiyKgXTXUwqa8Y8=";
   };
 
   # perl is only used during the check phase.