diff -r 33ebd7a4072a dev-lang/go/manifest
--- a/dev-lang/go/manifest	Mon Sep 09 17:30:52 2019 +0100
+++ b/dev-lang/go/manifest	Thu Nov 14 00:11:01 2019 -0300
@@ -1,1 +1,1 @@
-09c43d3336743866f2985f566db0520b36f4992aea2b4b2fd9f52f17049e88f2	go1.12.src.tar.gz
+95dbeab442ee2746b9acf0934c8e2fc26414a0565c008631b04addb8c02e7624	go1.13.4.src.tar.gz
diff -r 33ebd7a4072a dev-lang/go/mkfile
--- a/dev-lang/go/mkfile	Mon Sep 09 17:30:52 2019 +0100
+++ b/dev-lang/go/mkfile	Thu Nov 14 00:11:01 2019 -0300
@@ -4,8 +4,8 @@
 
 OWNER='Nick Owens <mischief@offblast.org>'
 DESCRIPTION='Google Go language'
-VERSION=1.12
-BOOTSTRAP=1.11.5
+VERSION=1.13.4
+BOOTSTRAP=1.13.1
 DEPS=app-misc/ca-certificates dev-lang/gobootstrap
 
 # local variables
diff -r 33ebd7a4072a dev-lang/gobootstrap/manifest
--- a/dev-lang/gobootstrap/manifest	Mon Sep 09 17:30:52 2019 +0100
+++ b/dev-lang/gobootstrap/manifest	Thu Nov 14 00:11:01 2019 -0300
@@ -1,2 +1,2 @@
-3eaa03cfaccd136cae3557c93bcd945690c8cd85bba4a03399d66c4ba219f004	go1.11.5-plan9-amd64-bootstrap.tbz
-fc793a9387e13d18d90be7efdf0ca4c52e575aeddebd2b1fc2e4da9f398a2cd7	go1.11.5-plan9-386-bootstrap.tbz
+5925a53dc95fdd3c4ecea9192ac3426405cba0c6db5fff8add7238dd86034156	go1.13.1-plan9-amd64-bootstrap.tbz
+be9e867065f3a0ab13507de121903f494446dcbaf176dfcd078edac54cb3acf0	go1.13.1-plan9-386-bootstrap.tbz
diff -r 33ebd7a4072a dev-lang/gobootstrap/mkfile
--- a/dev-lang/gobootstrap/mkfile	Mon Sep 09 17:30:52 2019 +0100
+++ b/dev-lang/gobootstrap/mkfile	Thu Nov 14 00:11:01 2019 -0300
@@ -2,7 +2,7 @@
 
 OWNER='Nick Owens <mischief@offblast.org>'
 DESCRIPTION='Google Go language'
-VERSION=1.11.5
+VERSION=1.13.1
 
 # local variables
 bootstrapdest=/sys/lib/go/$objtype-$VERSION-bootstrap