diff --git a/go.mod b/go.mod
index 26e32939..d31c3b1f 100644
--- a/go.mod
+++ b/go.mod
@@ -2,12 +2,12 @@ module github.com/go-task/task/v2
 
 require (
 	github.com/fatih/color v1.7.0
-	github.com/go-task/slim-sprig v0.0.0-20191103011349-ba7d6a531428
+	github.com/go-task/slim-sprig v0.0.0-20200516131648-f9bac4e523eb
 	github.com/mattn/go-colorable v0.1.2 // indirect
 	github.com/mattn/go-zglob v0.0.1
 	github.com/radovskyb/watcher v1.0.5
 	github.com/spf13/pflag v1.0.3
-	github.com/stretchr/testify v1.4.0
+	github.com/stretchr/testify v1.5.1
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
 	gopkg.in/yaml.v2 v2.2.2
 	mvdan.cc/sh/v3 v3.0.2
diff --git a/go.sum b/go.sum
index 1c067477..a965399f 100644
--- a/go.sum
+++ b/go.sum
@@ -3,8 +3,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/go-task/slim-sprig v0.0.0-20191103011349-ba7d6a531428 h1:62JQa/NJVTX0I2G7GlVBbDl/8f6kmUQCoVf8R3fHvqE=
-github.com/go-task/slim-sprig v0.0.0-20191103011349-ba7d6a531428/go.mod h1:BU9jUCGL9r2yojTEkwli1J2X4GmnOJPAsUXFtPud7Mg=
+github.com/go-task/slim-sprig v0.0.0-20200516131648-f9bac4e523eb h1:/qbv1F67s6ehqX9mG23cJOeca3FWpOVKgtPfPUMAi0k=
+github.com/go-task/slim-sprig v0.0.0-20200516131648-f9bac4e523eb/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -26,9 +26,10 @@ github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAm
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc h1:c0o/qxkaO2LF5t6fQrT4b5hzyggAkLLlCUjqfRxd8Q4=
 golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=