diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 8f9fe6ad..af910238 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ macos-latest, ubuntu-latest]
-        go_vers: [1.16, 1.17, 1.18]
+        go_vers: [1.18]
     steps:
       - uses: actions/checkout@v2
         with:
diff --git a/cmd/mockery.go b/cmd/mockery.go
index 7aa4b3ca..77a2f520 100644
--- a/cmd/mockery.go
+++ b/cmd/mockery.go
@@ -165,6 +165,8 @@ func (r *RootApp) Run() error {
 	}
 	log = log.With().Bool(logging.LogKeyDryRun, r.Config.DryRun).Logger()
 	log.Info().Msgf("Starting mockery")
+	log.Warn().Msgf("!!! DEPRECATION NOTICE !!!")
+	log.Warn().Msgf("Using go install to download mockery will likely break after June 1, 2022. Please view PR #456 for details.")
 	ctx := log.WithContext(context.Background())
 
 	if r.Config.Version {