diff --git a/README.md b/README.md
index 67bd562b1..52c061aad 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ for permanent installations, are detailed in our [Installation Guide](https://ww
 ### Build and Start Boundary in Dev Mode
 
 If you have the following requirements met locally:
-- Golang v1.14 or greater
+- Golang v1.16 or greater
 - Docker
 
 You can get up and running with Boundary quickly. Simply run:
@@ -99,8 +99,8 @@ UI assets; which will take a few extra minutes.) Once complete, run Boundary in
 
   ```./$GOPATH/bin/boundary dev```
 
-Please note that building the UI requires `go-bindata`; the easiest way to install
-Boundary's dependent tools is to simply run:
+Please note that development may require other tools; to install the set of
+tools at the versions used by the Boundary team, run:
 
   ```make tools```
 
diff --git a/go.mod b/go.mod
index d3dbb5f9d..908c2a9d5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary
 
-go 1.15
+go 1.16
 
 require (
 	github.com/armon/go-metrics v0.3.6
diff --git a/go.sum b/go.sum
index 081b65582..4f5a5dd28 100644
--- a/go.sum
+++ b/go.sum
@@ -297,7 +297,6 @@ github.com/go-ldap/ldap/v3 v3.1.10/go.mod h1:5Zun81jBTabRaI8lzN7E1JjyEl1g6zI6u9p
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
-github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
@@ -513,7 +512,6 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
-github.com/hashicorp/shared-secure-libs v0.0.4 h1:aRm7/wnJ70z5hSX8cLdyupwI8QNKklfViRstg/ZtUdw=
 github.com/hashicorp/shared-secure-libs v0.0.4/go.mod h1:xhtA0FH6AYYFOy0sir7u0O0zzdLi7ofU6oWxy+gjnuc=
 github.com/hashicorp/shared-secure-libs v0.0.5 h1:qHd+wxqgvW+INIMU0uzF/Sw3+iaqAOk5SrcXzsThlvY=
 github.com/hashicorp/shared-secure-libs v0.0.5/go.mod h1:xhtA0FH6AYYFOy0sir7u0O0zzdLi7ofU6oWxy+gjnuc=
@@ -883,7 +881,6 @@ github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6Mwd
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
 github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/assertions v1.0.0 h1:UVQPSSmc3qtTi+zPPkCXvZX9VvW/xT/NsRvKfwY81a8=
 github.com/smartystreets/assertions v1.0.0/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=