diff --git a/srcpkgs/tcl/template b/srcpkgs/tcl/template
index 1aebfa3bb2b..b217cf340d5 100644
--- a/srcpkgs/tcl/template
+++ b/srcpkgs/tcl/template
@@ -1,7 +1,7 @@
 # Template file for 'tcl'
 pkgname=tcl
-version=8.6.3
-revision=2
+version=8.6.4
+revision=1
 wrksrc="tcl${version}"
 build_wrksrc="unix"
 build_style=gnu-configure
@@ -13,7 +13,7 @@ maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://www.tcl.tk"
 license="tcl/tk"
 distfiles="${SOURCEFORGE_SITE}/$pkgname/${pkgname}${version}-src.tar.gz"
-checksum=6ce0778de0d50daaa9c345d7c1fd1288fb658f674028812e7eeee992e3051005
+checksum=9e6ed94c981c1d0c5f5fefb8112d06c6bf4d050a7327e95e71d417c416519c8d
 
 shlib_provides="libtcl${version%.*}.so"