diff --git a/security/tpm2-tools/Makefile b/security/tpm2-tools/Makefile
--- a/security/tpm2-tools/Makefile
+++ b/security/tpm2-tools/Makefile
@@ -1,6 +1,5 @@
 PORTNAME=	tpm2-tools
-DISTVERSION=	5.2
-PORTREVISION=	1
+DISTVERSION=	5.5
 CATEGORIES=	security
 MASTER_SITES=	https://github.com/tpm2-software/tpm2-tools/releases/download/${DISTVERSION}/
 
diff --git a/security/tpm2-tools/distinfo b/security/tpm2-tools/distinfo
--- a/security/tpm2-tools/distinfo
+++ b/security/tpm2-tools/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1632890666
-SHA256 (tpm2-tools-5.2.tar.gz) = c0b402f6a7b3456e8eb2445211e2d41c46c7e769e05fe4d8909ff64119f7a630
-SIZE (tpm2-tools-5.2.tar.gz) = 1072078
+TIMESTAMP = 1694303949
+SHA256 (tpm2-tools-5.5.tar.gz) = 1fdb49c730537bfdaed088884881a61e3bfd121e957ec0bdceeec0261236c123
+SIZE (tpm2-tools-5.5.tar.gz) = 1241390
diff --git a/security/tpm2-tools/pkg-plist b/security/tpm2-tools/pkg-plist
--- a/security/tpm2-tools/pkg-plist
+++ b/security/tpm2-tools/pkg-plist
@@ -21,6 +21,7 @@
 bin/tpm2_ecdhkeygen
 bin/tpm2_ecdhzgen
 bin/tpm2_ecephemeral
+bin/tpm2_encodeobject
 bin/tpm2_encryptdecrypt
 bin/tpm2_eventlog
 bin/tpm2_evictcontrol
@@ -122,6 +123,7 @@
 man/man1/tpm2_ecdhkeygen.1.gz
 man/man1/tpm2_ecdhzgen.1.gz
 man/man1/tpm2_ecephemeral.1.gz
+man/man1/tpm2_encodeobject.1.gz
 man/man1/tpm2_encryptdecrypt.1.gz
 man/man1/tpm2_eventlog.1.gz
 man/man1/tpm2_evictcontrol.1.gz