diff --git a/pkgs/by-name/li/libmsquic/package.nix b/pkgs/by-name/li/libmsquic/package.nix
index 01d422b17e32..6c0943b2359c 100644
--- a/pkgs/by-name/li/libmsquic/package.nix
+++ b/pkgs/by-name/li/libmsquic/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libmsquic";
-  version = "2.5.5";
+  version = "2.5.6";
 
   src = fetchFromGitHub {
     owner = "microsoft";
     repo = "msquic";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-V1QAY1E6prAtEDkUVOuBExHaDw91+fW3OKYZr2bQavQ=";
+    hash = "sha256-Nq7iIOz9duThWQSjJTGK+xnKEH3H3ck9v37ppoGFaEE=";
     fetchSubmodules = true;
   };