diff --git a/pkgs/tools/security/tpm2-tools/default.nix b/pkgs/tools/security/tpm2-tools/default.nix
index 4e8fd919f9ae..d622ab5b93da 100644
--- a/pkgs/tools/security/tpm2-tools/default.nix
+++ b/pkgs/tools/security/tpm2-tools/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation rec {
   pname = "tpm2-tools";
-  version = "5.5";
+  version = "5.6";
 
   src = fetchurl {
     url = "https://github.com/tpm2-software/${pname}/releases/download/${version}/${pname}-${version}.tar.gz";
-    sha256 = "sha256-H9tJxzBTe/2u0IiISIGmHjv9Eh6VfsC9zu7AJhI2wSM=";
+    sha256 = "sha256-Usi8uq3KCCq/5et+5JZ9LWMthLFndnXy8HG20uwizsM=";
   };
 
   patches = [