diff --git a/Makefile b/Makefile
index 8d57873..d928f80 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,14 @@ test: ## Run unit tests
 vet: ## Run go vet
 	@go vet $(addprefix ./, $(SOURCE_DIRS))
 
-check: fmtcheck vet lint build test ## Pre-flight checks before creating PR
+tidy: ## Tidy go dependencies
+	@go mod tidy
+
+check-license: $(SOURCES)
+	@./hack/check-license.sh "$(SOURCES)"
+
+check: tidy fmtcheck vet lint build test check-license ## Pre-flight checks before creating PR
+	@git diff --exit-code
 
 clean: ## Clean up your working environment
 	@rm -f coverage-all.out coverage.out
diff --git a/hack/check-license.sh b/hack/check-license.sh
new file mode 100755
index 0000000..2d200d3
--- /dev/null
+++ b/hack/check-license.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+echo "Checking for license header..."
+allfiles=$1
+licRes=""
+for file in $allfiles; do
+  if ! head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED|Licensed)" ; then
+    licRes="${licRes}\n"$(echo -e "  ${file}")
+  fi
+done
+if [ -n "${licRes}" ]; then
+  echo -e "license header checking failed:\n${licRes}"
+  exit 255
+fi
diff --git a/handler/enqueue_annotation.go b/handler/enqueue_annotation.go
index d6b1fa4..db8020a 100644
--- a/handler/enqueue_annotation.go
+++ b/handler/enqueue_annotation.go
@@ -1,4 +1,4 @@
-// Copyright 2019 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/leader/doc.go b/leader/doc.go
index b88c30a..3eee3e3 100644
--- a/leader/doc.go
+++ b/leader/doc.go
@@ -1,4 +1,4 @@
-// Copyright 2018 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/leader/leader.go b/leader/leader.go
index 55f3778..89e9c86 100644
--- a/leader/leader.go
+++ b/leader/leader.go
@@ -1,4 +1,4 @@
-// Copyright 2018 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/leader/leader_suite_test.go b/leader/leader_suite_test.go
index 9c23d3c..5fc7ed5 100644
--- a/leader/leader_suite_test.go
+++ b/leader/leader_suite_test.go
@@ -1,3 +1,17 @@
+// Copyright 2020 The Operator-SDK Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package leader
 
 import (
diff --git a/leader/leader_test.go b/leader/leader_test.go
index acf85b4..1c991d2 100644
--- a/leader/leader_test.go
+++ b/leader/leader_test.go
@@ -1,3 +1,17 @@
+// Copyright 2020 The Operator-SDK Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package leader
 
 import (
diff --git a/predicate/dependent.go b/predicate/dependent.go
index 28b4dfe..22cd574 100644
--- a/predicate/dependent.go
+++ b/predicate/dependent.go
@@ -1,4 +1,4 @@
-// Copyright 2019 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/predicate/dependent_test.go b/predicate/dependent_test.go
index b61bbea..ddec43c 100644
--- a/predicate/dependent_test.go
+++ b/predicate/dependent_test.go
@@ -1,3 +1,17 @@
+// Copyright 2018 The Operator-SDK Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package predicate
 
 import (