diff --git a/package/tcllib/tcllib.hash b/package/tcllib/tcllib.hash
index d08b5a172a..fb80841998 100644
--- a/package/tcllib/tcllib.hash
+++ b/package/tcllib/tcllib.hash
@@ -1,3 +1,5 @@
+# From https://core.tcl-lang.org/tcllib/uv/tcllib-1.20.SHA256
+sha256  199e8ec7ee26220e8463bc84dd55c44965fc8ef4d4ac6e4684b2b1c03b1bd5b9  tcllib-1.20.tar.xz
+
 # Locally computed:
-sha256  0db9e17d6c0f44d3ca2df2ea5023e35c0f3767e7008c3cb26d201446eb68add1  tcllib-1.13.tar.bz2
-sha256  530ec70eb11a455bd582d86b6d74c2dd7cc367d90b8bbdd59fcb43ae02f95a4b  license.terms
+sha256  38e1f556213f4008cfd280457af57c76a1fe043dc026ece1c704c09b5f6e865c  license.terms
diff --git a/package/tcllib/tcllib.mk b/package/tcllib/tcllib.mk
index dfa35c8941..0f60eb8aca 100644
--- a/package/tcllib/tcllib.mk
+++ b/package/tcllib/tcllib.mk
@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-TCLLIB_VERSION = 1.13
-TCLLIB_SOURCE = tcllib-$(TCLLIB_VERSION).tar.bz2
+TCLLIB_VERSION = 1.20
+TCLLIB_SOURCE = tcllib-$(TCLLIB_VERSION).tar.xz
 TCLLIB_SITE = http://downloads.sourceforge.net/project/tcllib/tcllib/$(TCLLIB_VERSION)
 TCLLIB_LICENSE = TCL
 TCLLIB_LICENSE_FILES = license.terms