diff --git a/go.mod b/go.mod
index aeb9842..f69887e 100644
--- a/go.mod
+++ b/go.mod
@@ -17,5 +17,5 @@ require (
 	github.com/wader/osleaktest v0.0.0-20191111175233-f643b0fed071
 	// bump: sync /golang.org\/x\/sync v(.*)/ depsdev:go:golang.org/x/sync|*
 	// bump: sync command go get -d golang.org/x/sync@v$LATEST && go mod tidy
-	golang.org/x/sync v0.4.0
+	golang.org/x/sync v0.5.0
 )
diff --git a/go.sum b/go.sum
index 597097e..0b3383c 100644
--- a/go.sum
+++ b/go.sum
@@ -6,5 +6,5 @@ github.com/wader/logutils v0.0.0-20190904144142-6d88a3144654 h1:/H3pKDa/IP88aOSL
 github.com/wader/logutils v0.0.0-20190904144142-6d88a3144654/go.mod h1:6+XZabA9xCm6iA5xt7uBVUY9/j+kbPeEgtR2a1lRjKo=
 github.com/wader/osleaktest v0.0.0-20191111175233-f643b0fed071 h1:QkrG4Zr5OVFuC9aaMPmFI0ibfhBZlAgtzDYWfu7tqQk=
 github.com/wader/osleaktest v0.0.0-20191111175233-f643b0fed071/go.mod h1:XD6emOFPHVzb0+qQpiNOdPL2XZ0SRUM0N5JHuq6OmXo=
-golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
-golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
+golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=