diff --git a/command.go b/command.go
index cbcddb3b..0a24b63b 100644
--- a/command.go
+++ b/command.go
@@ -5,17 +5,15 @@ import (
 	"strings"
 )
 
-type Params map[string]string
-
 type Cmd struct {
-	Cmd    string
-	Task   string
-	Params Params
+	Cmd  string
+	Task string
+	Vars Vars
 }
 
 type Dep struct {
-	Task   string
-	Params Params
+	Task string
+	Vars Vars
 }
 
 var (
@@ -34,12 +32,12 @@ func (c *Cmd) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		return nil
 	}
 	var taskCall struct {
-		Task   string
-		Params Params
+		Task string
+		Vars Vars
 	}
 	if err := unmarshal(&taskCall); err == nil {
 		c.Task = taskCall.Task
-		c.Params = taskCall.Params
+		c.Vars = taskCall.Vars
 		return nil
 	}
 	return ErrCantUnmarshalCmd
@@ -52,12 +50,12 @@ func (d *Dep) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		return nil
 	}
 	var taskCall struct {
-		Task   string
-		Params Params
+		Task string
+		Vars Vars
 	}
 	if err := unmarshal(&taskCall); err == nil {
 		d.Task = taskCall.Task
-		d.Params = taskCall.Params
+		d.Vars = taskCall.Vars
 		return nil
 	}
 	return ErrCantUnmarshalDep
diff --git a/command_test.go b/command_test.go
index 74b4e31e..77c2def3 100644
--- a/command_test.go
+++ b/command_test.go
@@ -15,7 +15,7 @@ func TestCmdParse(t *testing.T) {
 		yamlDep      = `"task-name"`
 		yamlTaskCall = `
 task: another-task
-params:
+vars:
   PARAM1: VALUE1
   PARAM2: VALUE2
 `
@@ -33,7 +33,7 @@ params:
 		{
 			yamlTaskCall,
 			&task.Cmd{},
-			&task.Cmd{Task: "another-task", Params: task.Params{"PARAM1": "VALUE1", "PARAM2": "VALUE2"}},
+			&task.Cmd{Task: "another-task", Vars: task.Vars{"PARAM1": "VALUE1", "PARAM2": "VALUE2"}},
 		},
 		{
 			yamlDep,
@@ -43,7 +43,7 @@ params:
 		{
 			yamlTaskCall,
 			&task.Dep{},
-			&task.Dep{Task: "another-task", Params: task.Params{"PARAM1": "VALUE1", "PARAM2": "VALUE2"}},
+			&task.Dep{Task: "another-task", Vars: task.Vars{"PARAM1": "VALUE1", "PARAM2": "VALUE2"}},
 		},
 	}
 	for _, test := range tests {
diff --git a/task.go b/task.go
index e013781e..ab4e5960 100644
--- a/task.go
+++ b/task.go
@@ -30,10 +30,13 @@ type Executor struct {
 	Stdout io.Writer
 	Stderr io.Writer
 
-	taskvars      Params
+	taskvars      Vars
 	watchingFiles map[string]struct{}
 }
 
+// Vars is a string[string] variables map
+type Vars map[string]string
+
 // Tasks representas a group of tasks
 type Tasks map[string]*Task
 
@@ -46,9 +49,9 @@ type Task struct {
 	Generates []string
 	Status    []string
 	Dir       string
-	Vars      map[string]string
+	Vars      Vars
 	Set       string
-	Env       map[string]string
+	Env       Vars
 }
 
 // Run runs Task
@@ -92,18 +95,18 @@ func (e *Executor) Run(args ...string) error {
 }
 
 // RunTask runs a task by its name
-func (e *Executor) RunTask(ctx context.Context, name string, params Params) error {
+func (e *Executor) RunTask(ctx context.Context, name string, vars Vars) error {
 	t, ok := e.Tasks[name]
 	if !ok {
 		return &taskNotFoundError{name}
 	}
 
-	if err := e.runDeps(ctx, name, params); err != nil {
+	if err := e.runDeps(ctx, name, vars); err != nil {
 		return err
 	}
 
 	if !e.Force {
-		upToDate, err := e.isTaskUpToDate(ctx, name, params)
+		upToDate, err := e.isTaskUpToDate(ctx, name, vars)
 		if err != nil {
 			return err
 		}
@@ -114,14 +117,14 @@ func (e *Executor) RunTask(ctx context.Context, name string, params Params) erro
 	}
 
 	for i := range t.Cmds {
-		if err := e.runCommand(ctx, name, i, params); err != nil {
+		if err := e.runCommand(ctx, name, i, vars); err != nil {
 			return &taskRunError{name, err}
 		}
 	}
 	return nil
 }
 
-func (e *Executor) runDeps(ctx context.Context, task string, params Params) error {
+func (e *Executor) runDeps(ctx context.Context, task string, vars Vars) error {
 	g, ctx := errgroup.WithContext(ctx)
 	t := e.Tasks[task]
 
@@ -129,12 +132,12 @@ func (e *Executor) runDeps(ctx context.Context, task string, params Params) erro
 		d := d
 
 		g.Go(func() error {
-			dep, err := e.ReplaceVariables(d.Task, task, params)
+			dep, err := e.ReplaceVariables(d.Task, task, vars)
 			if err != nil {
 				return err
 			}
 
-			if err = e.RunTask(ctx, dep, d.Params); err != nil {
+			if err = e.RunTask(ctx, dep, d.Vars); err != nil {
 				return err
 			}
 			return nil
@@ -147,27 +150,27 @@ func (e *Executor) runDeps(ctx context.Context, task string, params Params) erro
 	return nil
 }
 
-func (e *Executor) isTaskUpToDate(ctx context.Context, task string, params Params) (bool, error) {
+func (e *Executor) isTaskUpToDate(ctx context.Context, task string, vars Vars) (bool, error) {
 	t := e.Tasks[task]
 
 	if len(t.Status) > 0 {
-		return e.isUpToDateStatus(ctx, task, params)
+		return e.isUpToDateStatus(ctx, task, vars)
 	}
-	return e.isUpToDateTimestamp(ctx, task, params)
+	return e.isUpToDateTimestamp(ctx, task, vars)
 }
 
-func (e *Executor) isUpToDateStatus(ctx context.Context, task string, params Params) (bool, error) {
+func (e *Executor) isUpToDateStatus(ctx context.Context, task string, vars Vars) (bool, error) {
 	t := e.Tasks[task]
 
-	environ, err := e.getEnviron(task, params)
+	environ, err := e.getEnviron(task, vars)
 	if err != nil {
 		return false, err
 	}
-	dir, err := e.getTaskDir(task, params)
+	dir, err := e.getTaskDir(task, vars)
 	if err != nil {
 		return false, err
 	}
-	status, err := e.ReplaceSliceVariables(t.Status, task, params)
+	status, err := e.ReplaceSliceVariables(t.Status, task, vars)
 	if err != nil {
 		return false, err
 	}
@@ -186,23 +189,23 @@ func (e *Executor) isUpToDateStatus(ctx context.Context, task string, params Par
 	return true, nil
 }
 
-func (e *Executor) isUpToDateTimestamp(ctx context.Context, task string, params Params) (bool, error) {
+func (e *Executor) isUpToDateTimestamp(ctx context.Context, task string, vars Vars) (bool, error) {
 	t := e.Tasks[task]
 
 	if len(t.Sources) == 0 || len(t.Generates) == 0 {
 		return false, nil
 	}
 
-	dir, err := e.getTaskDir(task, params)
+	dir, err := e.getTaskDir(task, vars)
 	if err != nil {
 		return false, err
 	}
 
-	sources, err := e.ReplaceSliceVariables(t.Sources, task, params)
+	sources, err := e.ReplaceSliceVariables(t.Sources, task, vars)
 	if err != nil {
 		return false, err
 	}
-	generates, err := e.ReplaceSliceVariables(t.Generates, task, params)
+	generates, err := e.ReplaceSliceVariables(t.Generates, task, vars)
 	if err != nil {
 		return false, err
 	}
@@ -220,25 +223,25 @@ func (e *Executor) isUpToDateTimestamp(ctx context.Context, task string, params
 	return generatesMinTime.After(sourcesMaxTime), nil
 }
 
-func (e *Executor) runCommand(ctx context.Context, task string, i int, params Params) error {
+func (e *Executor) runCommand(ctx context.Context, task string, i int, vars Vars) error {
 	t := e.Tasks[task]
 	cmd := t.Cmds[i]
 
 	if cmd.Cmd == "" {
-		return e.RunTask(ctx, cmd.Task, cmd.Params)
+		return e.RunTask(ctx, cmd.Task, cmd.Vars)
 	}
 
-	c, err := e.ReplaceVariables(cmd.Cmd, task, params)
+	c, err := e.ReplaceVariables(cmd.Cmd, task, vars)
 	if err != nil {
 		return err
 	}
 
-	dir, err := e.getTaskDir(task, params)
+	dir, err := e.getTaskDir(task, vars)
 	if err != nil {
 		return err
 	}
 
-	envs, err := e.getEnviron(task, params)
+	envs, err := e.getEnviron(task, vars)
 	if err != nil {
 		return err
 	}
@@ -268,14 +271,14 @@ func (e *Executor) runCommand(ctx context.Context, task string, i int, params Pa
 	return nil
 }
 
-func (e *Executor) getTaskDir(task string, params Params) (string, error) {
+func (e *Executor) getTaskDir(task string, vars Vars) (string, error) {
 	t := e.Tasks[task]
 
-	exeDir, err := e.ReplaceVariables(e.Dir, task, params)
+	exeDir, err := e.ReplaceVariables(e.Dir, task, vars)
 	if err != nil {
 		return "", err
 	}
-	taskDir, err := e.ReplaceVariables(t.Dir, task, params)
+	taskDir, err := e.ReplaceVariables(t.Dir, task, vars)
 	if err != nil {
 		return "", err
 	}
@@ -283,7 +286,7 @@ func (e *Executor) getTaskDir(task string, params Params) (string, error) {
 	return filepath.Join(exeDir, taskDir), nil
 }
 
-func (e *Executor) getEnviron(task string, params Params) ([]string, error) {
+func (e *Executor) getEnviron(task string, vars Vars) ([]string, error) {
 	t := e.Tasks[task]
 
 	if t.Env == nil {
@@ -293,7 +296,7 @@ func (e *Executor) getEnviron(task string, params Params) ([]string, error) {
 	envs := os.Environ()
 
 	for k, v := range t.Env {
-		env, err := e.ReplaceVariables(fmt.Sprintf("%s=%s", k, v), task, params)
+		env, err := e.ReplaceVariables(fmt.Sprintf("%s=%s", k, v), task, vars)
 		if err != nil {
 			return nil, err
 		}
diff --git a/testdata/params/Taskfile.yml b/testdata/params/Taskfile.yml
index acc60bc5..4de09f2b 100644
--- a/testdata/params/Taskfile.yml
+++ b/testdata/params/Taskfile.yml
@@ -1,26 +1,16 @@
 default:
   deps:
     - task: write-file
-      params:
-        CONTENT: Dependence1
-        FILE: dep1.txt
+      vars: {CONTENT: Dependence1, FILE: dep1.txt}
     - task: write-file
-      params:
-        CONTENT: Dependence2
-        FILE: dep2.txt
+      vars: {CONTENT: Dependence2, FILE: dep2.txt}
   cmds:
     - task: write-file
-      params:
-        CONTENT: Hello
-        FILE: hello.txt
+      vars: {CONTENT: Hello, FILE: hello.txt}
     - task: write-file
-      params:
-        CONTENT: World
-        FILE: world.txt
+      vars: {CONTENT: World, FILE: world.txt}
     - task: write-file
-      params:
-        CONTENT: "!"
-        FILE: exclamation.txt
+      vars: {CONTENT: "!", FILE: exclamation.txt}
 
 write-file:
   cmds:
diff --git a/variable_handling.go b/variable_handling.go
index c6dbac97..5a6ab0a7 100644
--- a/variable_handling.go
+++ b/variable_handling.go
@@ -48,7 +48,7 @@ func (e *Executor) handleDynamicVariableContent(value string) (string, error) {
 	return result, nil
 }
 
-func (e *Executor) getVariables(task string, params Params) (map[string]string, error) {
+func (e *Executor) getVariables(task string, vars Vars) (map[string]string, error) {
 	t := e.Tasks[task]
 
 	localVariables := make(map[string]string)
@@ -71,8 +71,8 @@ func (e *Executor) getVariables(task string, params Params) (map[string]string,
 	for key, value := range getEnvironmentVariables() {
 		localVariables[key] = value
 	}
-	if params != nil {
-		for k, v := range params {
+	if vars != nil {
+		for k, v := range vars {
 			val, err := e.handleDynamicVariableContent(v)
 			if err != nil {
 				return nil, err
@@ -112,11 +112,11 @@ func init() {
 }
 
 // ReplaceSliceVariables writes vars into initial string slice
-func (e *Executor) ReplaceSliceVariables(initials []string, task string, params Params) ([]string, error) {
+func (e *Executor) ReplaceSliceVariables(initials []string, task string, vars Vars) ([]string, error) {
 	result := make([]string, len(initials))
 	for i, s := range initials {
 		var err error
-		result[i], err = e.ReplaceVariables(s, task, params)
+		result[i], err = e.ReplaceVariables(s, task, vars)
 		if err != nil {
 			return nil, err
 		}
@@ -125,8 +125,8 @@ func (e *Executor) ReplaceSliceVariables(initials []string, task string, params
 }
 
 // ReplaceVariables writes vars into initial string
-func (e *Executor) ReplaceVariables(initial, task string, params Params) (string, error) {
-	vars, err := e.getVariables(task, params)
+func (e *Executor) ReplaceVariables(initial, task string, vars Vars) (string, error) {
+	vars, err := e.getVariables(task, vars)
 	if err != nil {
 		return "", err
 	}