diff --git a/CHANGELOG.md b/CHANGELOG.md
index d278c433fc6..98b785d2373 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 - TODO ([#XXX](https://github.com/kedacore/keda/pull/XXX))
 - ScaledJob: introduce MultipleScalersCalculation ([#2016](https://github.com/kedacore/keda/pull/2016))
 - Add Graphite Scaler ([#1628](https://github.com/kedacore/keda/pull/2092))
+- Add Makefile mockgen targets ([#2090](https://github.com/kedacore/keda/issues/2090))
 
 ### Improvements
 
diff --git a/Makefile b/Makefile
index 245cd74a592..51c13ca7507 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,7 @@ manifests: controller-gen ## Generate ClusterRole and CustomResourceDefinition o
 	# until this issue is fixed: https://github.com/kubernetes-sigs/controller-tools/issues/398
 	rm config/crd/bases/keda.sh_withtriggers.yaml
 
-generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations (API).
+generate: controller-gen mockgen-gen ## Generate code containing DeepCopy, DeepCopyInto, DeepCopyObject method implementations (API) and mocks.
 	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
 
 adapter/generated/openapi/zz_generated.openapi.go: go.mod go.sum ## Generate OpenAPI for KEDA Metrics Adapter.
@@ -123,8 +123,19 @@ clientset-generate: ## Generate client-go clientset, listers and informers.
 pkg/scalers/liiklus/LiiklusService.pb.go: hack/LiiklusService.proto
 	protoc -I hack/ hack/LiiklusService.proto --go_out=plugins=grpc:pkg/scalers/liiklus
 
+.PHONY: mockgen-gen
+mockgen-gen: mockgen pkg/mock/mock_scaling/mock_interface.go pkg/mock/mock_scaler/mock_scaler.go pkg/mock/mock_scale/mock_interfaces.go pkg/mock/mock_client/mock_interfaces.go pkg/scalers/liiklus/mocks/mock_liiklus.go
+
+pkg/mock/mock_scaling/mock_interface.go: pkg/scaling/scale_handler.go
+	$(MOCKGEN) -destination=$@ -package=mock_scaling -source=$^
+pkg/mock/mock_scaler/mock_scaler.go: pkg/scalers/scaler.go
+	$(MOCKGEN) -destination=$@ -package=mock_scalers -source=$^
+pkg/mock/mock_scale/mock_interfaces.go: $(shell go list -f '{{ .Dir }}' -m k8s.io/client-go)/scale/interfaces.go
+	$(MOCKGEN) -destination=$@ -package=mock_scale -source=$^
+pkg/mock/mock_client/mock_interfaces.go: $(shell go list -f '{{ .Dir }}' -m sigs.k8s.io/controller-runtime)/pkg/client/interfaces.go
+	$(MOCKGEN) -destination=$@ -package=mock_client -source=$^
 pkg/scalers/liiklus/mocks/mock_liiklus.go: pkg/scalers/liiklus/LiiklusService.pb.go
-	mockgen github.com/kedacore/keda/pkg/scalers/liiklus LiiklusServiceClient > pkg/scalers/liiklus/mocks/mock_liiklus.go
+	$(MOCKGEN) -destination=$@ github.com/kedacore/keda/v2/pkg/scalers/liiklus LiiklusServiceClient
 
 ##################################################
 # Build                                          #
@@ -212,6 +223,10 @@ ENVTEST = $(shell pwd)/bin/setup-envtest
 envtest: ## Download envtest-setup locally if necessary.
 	$(call go-get-tool,$(ENVTEST),sigs.k8s.io/controller-runtime/tools/setup-envtest@latest)
 
+MOCKGEN = $(shell pwd)/bin/mockgen
+mockgen: ## Download mockgen locally if necessary.
+	$(call go-get-tool,$(ENVTEST),github.com/golang/mock/mockgen@v1.6.0)
+
 # go-get-tool will 'go get' any package $2 and install it to $1.
 PROJECT_DIR := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))
 define go-get-tool
diff --git a/go.mod b/go.mod
index f62f64e2c08..8d7e63ca0c7 100644
--- a/go.mod
+++ b/go.mod
@@ -43,6 +43,7 @@ require (
 	google.golang.org/api v0.56.0
 	google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2
 	google.golang.org/grpc v1.40.0
+	google.golang.org/protobuf v1.27.1 // indirect
 	k8s.io/api v0.22.1
 	k8s.io/apimachinery v0.22.1
 	k8s.io/apiserver v0.22.1
diff --git a/pkg/mock/mock_client/mock_interfaces.go b/pkg/mock/mock_client/mock_interfaces.go
index ab34aa4ac07..16e08888025 100644
--- a/pkg/mock/mock_client/mock_interfaces.go
+++ b/pkg/mock/mock_client/mock_interfaces.go
@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: /Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.9.6/pkg/client/interfaces.go
+// Source: /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.10.0/pkg/client/interfaces.go
 
 // Package mock_client is a generated GoMock package.
 package mock_client
diff --git a/pkg/mock/mock_scale/mock_interfaces.go b/pkg/mock/mock_scale/mock_interfaces.go
index b27445d219b..cdfe5255add 100644
--- a/pkg/mock/mock_scale/mock_interfaces.go
+++ b/pkg/mock/mock_scale/mock_interfaces.go
@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: /Users/zroubali/go/pkg/mod/k8s.io/client-go@v0.22.1/scale/interfaces.go
+// Source: /go/pkg/mod/k8s.io/client-go@v0.22.1/scale/interfaces.go
 
 // Package mock_scale is a generated GoMock package.
 package mock_scale
diff --git a/pkg/scalers/liiklus/mocks/mock_liiklus.go b/pkg/scalers/liiklus/mocks/mock_liiklus.go
index 419805c668c..53173edd370 100644
--- a/pkg/scalers/liiklus/mocks/mock_liiklus.go
+++ b/pkg/scalers/liiklus/mocks/mock_liiklus.go
@@ -6,57 +6,58 @@ package mock_liiklus
 
 import (
 	context "context"
+	reflect "reflect"
+
 	gomock "github.com/golang/mock/gomock"
-	empty "github.com/golang/protobuf/ptypes/empty"
 	liiklus "github.com/kedacore/keda/v2/pkg/scalers/liiklus"
 	grpc "google.golang.org/grpc"
-	reflect "reflect"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
 )
 
-// MockLiiklusServiceClient is a mock of LiiklusServiceClient interface
+// MockLiiklusServiceClient is a mock of LiiklusServiceClient interface.
 type MockLiiklusServiceClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockLiiklusServiceClientMockRecorder
 }
 
-// MockLiiklusServiceClientMockRecorder is the mock recorder for MockLiiklusServiceClient
+// MockLiiklusServiceClientMockRecorder is the mock recorder for MockLiiklusServiceClient.
 type MockLiiklusServiceClientMockRecorder struct {
 	mock *MockLiiklusServiceClient
 }
 
-// NewMockLiiklusServiceClient creates a new mock instance
+// NewMockLiiklusServiceClient creates a new mock instance.
 func NewMockLiiklusServiceClient(ctrl *gomock.Controller) *MockLiiklusServiceClient {
 	mock := &MockLiiklusServiceClient{ctrl: ctrl}
 	mock.recorder = &MockLiiklusServiceClientMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockLiiklusServiceClient) EXPECT() *MockLiiklusServiceClientMockRecorder {
 	return m.recorder
 }
 
-// Ack mocks base method
-func (m *MockLiiklusServiceClient) Ack(arg0 context.Context, arg1 *liiklus.AckRequest, arg2 ...grpc.CallOption) (*empty.Empty, error) {
+// Ack mocks base method.
+func (m *MockLiiklusServiceClient) Ack(arg0 context.Context, arg1 *liiklus.AckRequest, arg2 ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
 	for _, a := range arg2 {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "Ack", varargs...)
-	ret0, _ := ret[0].(*empty.Empty)
+	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// Ack indicates an expected call of Ack
+// Ack indicates an expected call of Ack.
 func (mr *MockLiiklusServiceClientMockRecorder) Ack(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Ack", reflect.TypeOf((*MockLiiklusServiceClient)(nil).Ack), varargs...)
 }
 
-// GetEndOffsets mocks base method
+// GetEndOffsets mocks base method.
 func (m *MockLiiklusServiceClient) GetEndOffsets(arg0 context.Context, arg1 *liiklus.GetEndOffsetsRequest, arg2 ...grpc.CallOption) (*liiklus.GetEndOffsetsReply, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -69,14 +70,14 @@ func (m *MockLiiklusServiceClient) GetEndOffsets(arg0 context.Context, arg1 *lii
 	return ret0, ret1
 }
 
-// GetEndOffsets indicates an expected call of GetEndOffsets
+// GetEndOffsets indicates an expected call of GetEndOffsets.
 func (mr *MockLiiklusServiceClientMockRecorder) GetEndOffsets(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetEndOffsets", reflect.TypeOf((*MockLiiklusServiceClient)(nil).GetEndOffsets), varargs...)
 }
 
-// GetOffsets mocks base method
+// GetOffsets mocks base method.
 func (m *MockLiiklusServiceClient) GetOffsets(arg0 context.Context, arg1 *liiklus.GetOffsetsRequest, arg2 ...grpc.CallOption) (*liiklus.GetOffsetsReply, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -89,14 +90,14 @@ func (m *MockLiiklusServiceClient) GetOffsets(arg0 context.Context, arg1 *liiklu
 	return ret0, ret1
 }
 
-// GetOffsets indicates an expected call of GetOffsets
+// GetOffsets indicates an expected call of GetOffsets.
 func (mr *MockLiiklusServiceClientMockRecorder) GetOffsets(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetOffsets", reflect.TypeOf((*MockLiiklusServiceClient)(nil).GetOffsets), varargs...)
 }
 
-// Publish mocks base method
+// Publish mocks base method.
 func (m *MockLiiklusServiceClient) Publish(arg0 context.Context, arg1 *liiklus.PublishRequest, arg2 ...grpc.CallOption) (*liiklus.PublishReply, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -109,14 +110,14 @@ func (m *MockLiiklusServiceClient) Publish(arg0 context.Context, arg1 *liiklus.P
 	return ret0, ret1
 }
 
-// Publish indicates an expected call of Publish
+// Publish indicates an expected call of Publish.
 func (mr *MockLiiklusServiceClientMockRecorder) Publish(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Publish", reflect.TypeOf((*MockLiiklusServiceClient)(nil).Publish), varargs...)
 }
 
-// Receive mocks base method
+// Receive mocks base method.
 func (m *MockLiiklusServiceClient) Receive(arg0 context.Context, arg1 *liiklus.ReceiveRequest, arg2 ...grpc.CallOption) (liiklus.LiiklusService_ReceiveClient, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -129,14 +130,14 @@ func (m *MockLiiklusServiceClient) Receive(arg0 context.Context, arg1 *liiklus.R
 	return ret0, ret1
 }
 
-// Receive indicates an expected call of Receive
+// Receive indicates an expected call of Receive.
 func (mr *MockLiiklusServiceClientMockRecorder) Receive(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Receive", reflect.TypeOf((*MockLiiklusServiceClient)(nil).Receive), varargs...)
 }
 
-// Subscribe mocks base method
+// Subscribe mocks base method.
 func (m *MockLiiklusServiceClient) Subscribe(arg0 context.Context, arg1 *liiklus.SubscribeRequest, arg2 ...grpc.CallOption) (liiklus.LiiklusService_SubscribeClient, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -149,7 +150,7 @@ func (m *MockLiiklusServiceClient) Subscribe(arg0 context.Context, arg1 *liiklus
 	return ret0, ret1
 }
 
-// Subscribe indicates an expected call of Subscribe
+// Subscribe indicates an expected call of Subscribe.
 func (mr *MockLiiklusServiceClientMockRecorder) Subscribe(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)