diff --git a/lang/go/Makefile b/lang/go/Makefile
index e3e99cc29278..f8108978846d 100644
--- a/lang/go/Makefile
+++ b/lang/go/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	go
-PORTVERSION=	1.13.4
+PORTVERSION=	1.13.5
 PORTEPOCH=	1
 CATEGORIES=	lang
 MASTER_SITES=	https://golang.org/dl/
diff --git a/lang/go/distinfo b/lang/go/distinfo
index 8968d92e27d0..9af13072df91 100644
--- a/lang/go/distinfo
+++ b/lang/go/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1572903301
-SHA256 (go1.13.4.src.tar.gz) = 95dbeab442ee2746b9acf0934c8e2fc26414a0565c008631b04addb8c02e7624
-SIZE (go1.13.4.src.tar.gz) = 21619153
+TIMESTAMP = 1575673593
+SHA256 (go1.13.5.src.tar.gz) = 27d356e2a0b30d9983b60a788cf225da5f914066b37a6b4f69d457ba55a626ff
+SIZE (go1.13.5.src.tar.gz) = 21629437
diff --git a/lang/go/pkg-plist b/lang/go/pkg-plist
index a154b520b1a1..bed138223906 100644
--- a/lang/go/pkg-plist
+++ b/lang/go/pkg-plist
@@ -631,6 +631,7 @@ go/pkg/%%opsys_ARCH%%/internal/goversion.a
 go/pkg/%%opsys_ARCH%%/internal/lazyregexp.a
 go/pkg/%%opsys_ARCH%%/internal/lazytemplate.a
 go/pkg/%%opsys_ARCH%%/internal/nettrace.a
+go/pkg/%%opsys_ARCH%%/internal/obscuretestdata.a
 go/pkg/%%opsys_ARCH%%/internal/oserror.a
 go/pkg/%%opsys_ARCH%%/internal/poll.a
 go/pkg/%%opsys_ARCH%%/internal/race.a
@@ -820,7 +821,7 @@ go/src/archive/zip/register.go
 go/src/archive/zip/struct.go
 go/src/archive/zip/testdata/crc32-not-streamed.zip
 go/src/archive/zip/testdata/dd.zip
-go/src/archive/zip/testdata/go-no-datadesc-sig.zip
+go/src/archive/zip/testdata/go-no-datadesc-sig.zip.base64
 go/src/archive/zip/testdata/go-with-datadesc-sig.zip
 go/src/archive/zip/testdata/gophercolor16x16.png
 go/src/archive/zip/testdata/readme.notzip
@@ -1906,6 +1907,7 @@ go/src/cmd/go/testdata/script/mod_init_path.txt
 go/src/cmd/go/testdata/script/mod_install_versioned.txt
 go/src/cmd/go/testdata/script/mod_internal.txt
 go/src/cmd/go/testdata/script/mod_invalid_version.txt
+go/src/cmd/go/testdata/script/mod_issue35317.txt
 go/src/cmd/go/testdata/script/mod_list.txt
 go/src/cmd/go/testdata/script/mod_list_bad_import.txt
 go/src/cmd/go/testdata/script/mod_list_compiled_concurrent.txt
@@ -2223,10 +2225,10 @@ go/src/cmd/internal/buildid/buildid.go
 go/src/cmd/internal/buildid/buildid_test.go
 go/src/cmd/internal/buildid/note.go
 go/src/cmd/internal/buildid/rewrite.go
-go/src/cmd/internal/buildid/testdata/a.elf
-go/src/cmd/internal/buildid/testdata/a.macho
-go/src/cmd/internal/buildid/testdata/a.pe
-go/src/cmd/internal/buildid/testdata/p.a
+go/src/cmd/internal/buildid/testdata/a.elf.base64
+go/src/cmd/internal/buildid/testdata/a.macho.base64
+go/src/cmd/internal/buildid/testdata/a.pe.base64
+go/src/cmd/internal/buildid/testdata/p.a.base64
 go/src/cmd/internal/dwarf/dwarf.go
 go/src/cmd/internal/dwarf/dwarf_defs.go
 go/src/cmd/internal/dwarf/dwarf_test.go
@@ -3036,7 +3038,7 @@ go/src/compress/gzip/gunzip_test.go
 go/src/compress/gzip/gzip.go
 go/src/compress/gzip/gzip_test.go
 go/src/compress/gzip/issue14937_test.go
-go/src/compress/gzip/testdata/issue6550.gz
+go/src/compress/gzip/testdata/issue6550.gz.base64
 go/src/compress/lzw/reader.go
 go/src/compress/lzw/reader_test.go
 go/src/compress/lzw/writer.go
@@ -3499,14 +3501,14 @@ go/src/debug/macho/file_test.go
 go/src/debug/macho/macho.go
 go/src/debug/macho/reloctype.go
 go/src/debug/macho/reloctype_string.go
-go/src/debug/macho/testdata/clang-386-darwin-exec-with-rpath
-go/src/debug/macho/testdata/clang-386-darwin.obj
-go/src/debug/macho/testdata/clang-amd64-darwin-exec-with-rpath
-go/src/debug/macho/testdata/clang-amd64-darwin.obj
-go/src/debug/macho/testdata/fat-gcc-386-amd64-darwin-exec
-go/src/debug/macho/testdata/gcc-386-darwin-exec
-go/src/debug/macho/testdata/gcc-amd64-darwin-exec
-go/src/debug/macho/testdata/gcc-amd64-darwin-exec-debug
+go/src/debug/macho/testdata/clang-386-darwin-exec-with-rpath.base64
+go/src/debug/macho/testdata/clang-386-darwin.obj.base64
+go/src/debug/macho/testdata/clang-amd64-darwin-exec-with-rpath.base64
+go/src/debug/macho/testdata/clang-amd64-darwin.obj.base64
+go/src/debug/macho/testdata/fat-gcc-386-amd64-darwin-exec.base64
+go/src/debug/macho/testdata/gcc-386-darwin-exec.base64
+go/src/debug/macho/testdata/gcc-amd64-darwin-exec-debug.base64
+go/src/debug/macho/testdata/gcc-amd64-darwin-exec.base64
 go/src/debug/macho/testdata/hello.c
 go/src/debug/pe/file.go
 go/src/debug/pe/file_cgo_test.go
@@ -4299,6 +4301,7 @@ go/src/internal/goversion/goversion.go
 go/src/internal/lazyregexp/lazyre.go
 go/src/internal/lazytemplate/lazytemplate.go
 go/src/internal/nettrace/nettrace.go
+go/src/internal/obscuretestdata/obscuretestdata.go
 go/src/internal/oserror/errors.go
 go/src/internal/poll/errno_unix.go
 go/src/internal/poll/errno_windows.go